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Books Books 41 - 50 of 50 on RULE. Find an expression for the value of one of the unknown quantities in one of....
" RULE. Find an expression for the value of one of the unknown quantities in one of the equations, and substitute this value for the same unknown quantity in the other equation. "
A treatise on the elements of algebra, by G. Ainsworth and J. Yeats - Page 78
by G. Ainsworth, J. Yeats - 1854
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The Complete Algebra: Designed for Use in Schools, Academies, and Colleges

Joseph Ficklin - Algebra - 1874 - 418 pages
...one of the given equations, an expression for tJie value of the unknown quantity to be eliminated, and substitute this value for the same unknown quantity in the other equation; there will thus be formed a new equation containing only one unknown quantity. EXAMPLES....
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Eaton's Elementary Algebra, Designed for the Use of High Schools and Academies

1875
...Substituting this value of x in (3), we obtain (7), or у = 3. Hence, RULE. Find an expression for the value of one of the unknown quantities in one of the equations, and substitute this value fur the same unknown quantity in the other equation. NOTE. — After eliminating, the resulting equation...
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The Science of Arithmetic: For High Schools, Normal Schools, Preparatory ...

Edward Olney - Arithmetic - 1876 - 294 pages
...BY SUBSTITUTION. 193. RULE. — 1. Having two simple equations between two unknown quantities, find the value of one of the unknown quantities in one of the equations, in terms of the other unknown quantity, and known terms, and substitute this in the other equation....
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Bradbury's Elementary Algebra: Designed for the Use of High Schools and ...

William Frothingham Bradbury - Algebra - 1877 - 269 pages
...2. Substituting this value of x in (3), we obtain (7), or y = 3. Hence, RULE. Find an expression for the value of one of the unknown quantities in one...this value for the same unknown quantity in the other equation. NOTE. — After eliminating, the resulting equation is reduced by the rule in Art. 102. The...
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Bradbury's Elementary Algebra

William Frothingham Bradbury, James Howard Eaton - Algebra - 1877 - 269 pages
...2. Substituting this value of x in (3), we obtain (7), or y = 3. Hence, RULE. Find an expression for the value of one of the unknown quantities in one of the equations, and substitute this value for tJie same unknown quantity in the other equation. NOTE. — After eliminating, the resulting equation...
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New Elementary Algebra: Designed for Common and High Schools and Academies

Shelton Palmer Sanford - Algebra - 1879 - 332 pages
...andy = l. From the foregoing illustrations we derive the following RULE.— Find an expression for the value of one of the unknown quantities in one...substitute this value for the same unknown quantity in the otJier equation; we shall thus have an equation containing only one unknown quantity, the value of...
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The Academic Algebra

William Frothingham Bradbury, Grenville C. Emery - Algebra - 1889 - 414 pages
...or у = 3. Hence, the following RuIe. Find an expression for the value of one of the unknown numbers in one of the equations, and substitute this value for the same unknown number in tlu', other equation. NOTE. After eliminating, the resulting equation is reduced by the rule...
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Algebra for Beginners

William Frothingham Bradbury, Grenville C. Emery - Algebra - 1894 - 128 pages
...or y — 5. Hence the following Rule. Find an expression for the value of one of the unknown numbers in one of the equations, and substitute this value for the same unknown number in the other equation. This method of elimination is called substitution. NOTE 1. After eliminating,...
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Grammar School Algebra: A Course for Grammar Schools and Beginners in Public ...

William J. Milne - Algebra - 1899 - 154 pages
...quantity be eliminated from two simultaneous equations by substitution ? RULE. — Find an expression for the value of one of the unknown quantities in one of the equations. Substitute this value for the same unknown quantity in the other equation, and solve the resulting...
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Elementary Algebra ; Ray's Algebra: Part First, on the Analytic and ...

Joseph Ray - 1848 - 240 pages
...subtraction. ELIMINATION BY SUBSTITUTION. ART. 158. — Elimination by substitution, consists in finding the value of one of the unknown quantities in one of the equations, in terms of the other unknown quantity and known terms, and sub stituting this, instead of the quantity,...
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