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" Find the value of one of the unknown quantities, in terms of the other and known quantities... "
An Elementary Treatise on Algebra: Theoretical and Practical ... - Σελίδα 146
των James Ryan - 1826 - 383 σελίδες
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A Complete Course in Algebra for Academies and High Schools

Webster Wells - 1885 - 349 σελίδες
...— 124 — x= 8 "Whence, ж = — 8 Substituting this value in (3) , у = ~40+44 — 2 £ 136 RULE. Find the value of one of the unknown quantities in terms of the other from one of the given equations, and substitute this value for that quantity in the other equation....

A Complete Course in Algebra

Webster Wells - 1885
...274. When one equation is of the first degree. Equations of this kind may always be solved by finding the value of one of the unknown quantities in terms of the other from the simple equation, and substituting the result in the other equation. 1. Solve the equations...

Shorter Course in Algebra

George Albert Wentworth - 1886 - 165 σελίδες
...= 11. .-.*-i. 183. Hence, to eliminate an unknown quantity by comparison, From each equation obtain the value of one of the unknown quantities in terms of the other. Form an equation from these equal values, and reduce the equation. NOTE. If, in the last example, (3)...

College Algebra: For the Use of Academies, Colleges, and Scientific Schools ...

Edward Albert Bowser - 1888 - 540 σελίδες
...is of the First Degree. — This case may be solved by the following RULE. From the simple equation find the value of one of the unknown quantities in terms of the other, and substitute this value in the other equation. 1. Solve 3x + 4y = 18 (1) 5x* - 3xy = 2 (2) From (1) we...

A Short Course in Higher Algebra: For Academies, High Schools, and Colleges

Webster Wells - 1889 - 426 σελίδες
...14ж-15ж-132 = — 124 -x= 8 Whence, x = — 8 Substituting this value in (3) , y = ~40+44 = 2 & BULE. Find the value of one of the unknown quantities in terms of the other from one of the given equations, and substitute t,his value for that quantity in the other equation....

College Algebra

Webster Wells - 1890 - 577 σελίδες
...— 124 -x= 8. Whence, x = — 8. Substituting in (3) , y = 2 RULE From one of the given equations find the value of one of the unknown quantities in te-rms of the other, and substitute this value in place of that quantity in the other equation. 197. III. Elimination by Comparison....

College Algebra

Webster Wells - 1890 - 577 σελίδες
...the second degree, and the other of the first. Equations of this kind may always be solved by finding the value of one of the unknown quantities in terms of the other from the simple equation, and substituting this value in the other equation. 1. Solve the eauations...

An Easy Algebra

Charles Scott Venable - 1890
...equation. For this case we have the Rule. — From the equation of the first degree find the expression of one of the unknown quantities in terms of the other, and then substitute this expression in the second equation. Ex. 1. Given x + y = 10 (1) > to find the values...

New Common School Question Book: Comprising Questions and Answers on All ...

Asa Hollister Craig - 1897 - 524 σελίδες
...each of the given equations. Form an equation by placing these two values equal to each other. 94. Find the value of one of the unknown quantities in terms of the other, from either of the given equations. Substitute the value for the same unknown quantity in the other...

Elementary Algebra for the Use of Preparatory Schools

Charles Smith - 1894 - 584 σελίδες
...of the second degree, can be solved in the following manner : From the equation of the first degree find the value of one of the unknown quantities in terms of the other unknown quantity and the knoivn quantities, and substitute this value in the equation of the second...




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