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Books Books 1 - 10 of 47 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 Elements of Algebra: In a New and Easy Method, with Their Use and ...

Nathaniel Hammond - Algebra - 1742 - 328 pages
...66. The Method of refolding Queftions, that contain three Equations, and three ' unknown Quantities. the Value of one of the unknown Quantities ; in one of the given Equations : Far the fame unknown ĦQuantity in the other two Equation}, •write, or put this...
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A Course of Mathematics: For the Use of Academies as Well as ..., Volume 1

Charles Hutton - Mathematics - 1812
...to be reduced by the rules for a single equation. 2. Or, as in the 3d rule of the same problem, find the value of one of the unknown quantities in one of the equations only ; then substitute this value instead of it in the other equations ; which gives a new set of equations...
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An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1814 - 303 pages
...only one unknown quantity. Hence, 326. RULE II. To exterminate an unknown quantity, Find the valve of one of the unknown quantities, in one, of the equations ; and then, in the other equation, SUBSTITUTE thit value, for the unknown quantity itself. -Prob. 4. A privateer...
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An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1820 - 332 pages
...which contains only one unknown quantity. Hence, 326. Rule II. To exterminate an unknown quantity, FIND THE VALUE OF ONE OF THE UNKNOWN QUANTITIES, IN ONE OF THE EQUATIONS ; and then, in the other EQUATION. SUBSTITUTE THIS VALUE, FOR THE UNKNOWN QUANTITY ITSELF. Prob. 4. A privateer...
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - Mathematics - 1822
...to be reduced by the rules for a single equation. 2. Or, as in the 2d rule of the same problem, find the value of one of the unknown quantities in one of the equation* only; then substitute this value instead of it in the other equations ; which gives a new...
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - Mathematics - 1823 - 576 pages
...unknown quantity, the value of which mast be found by the proper rnles, as above referred to. 2. Find the value of one of the unknown quantities in one of the equations m terms of the other quantities ; then substitute this value for that quantity in all the IH her e(l...
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An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1827 - 332 pages
...which contains only one unknown quantity. Hence, 326. Rule II. To exterminate an unknown quantity, FIND THE VALUE OF ONE OF THE UNKNOWN QUANTITIES, IN ONE OF THE EQUATIONS; and then in the other EQUATION, SUBSTITUTE THIS VALUE FOR THE UNKNOWN QUANTITY ITSELF. Prob. 4. A privateer...
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Elements of Algebra: Tr. from the French of M. Bourdon, for the ..., Volume 1

Bourdon (M., Louis Pierre Marie) - Algebra - 1831 - 389 pages
...principal methods of eliminations. The first, called the method by substitution, consists in finding"the value of one of the unknown quantities in one of the equations, as if the other unknown quantities were already determined, and in substituting this value in the other...
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A Course of Mathematics: For the Use of Academies, as Well as ..., Volume 1

Charles Hutton - Mathematics - 1831
...reduced by the rules for a single equation. 2. Or, as in the 2d rule of the same problem, find i.he value of one of the unknown quantities in one of the equations only ; then substitute this value instead of it in the other equations ; which gives a new set of equations...
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Mathematics for Practical Men

Olinthus Gregory - 1833 - 427 pages
...equations, will lead to the determination of the first unknown quantity. 2. Find the value of either of the unknown quantities in one of the equations, and substitute this value for it in the other equation : so will the other unknown quantity become known, and then the first, as...
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