Question

Solving a System by Substitution In Exercises $15-24$ , solve the system by the method of substitution. $$\left\{\begin{aligned} \frac{1}{2} x+\frac{3}{4} y &=10 \\ \frac{3}{4} x-y &=4 \end{aligned}\right.$$

          Solving a System by Substitution In Exercises
$15-24$ , solve the system by the method of substitution.
$$\left\{\begin{aligned} \frac{1}{2} x+\frac{3}{4} y &=10 \\ \frac{3}{4} x-y &=4 \end{aligned}\right.$$

Added by Amy M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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Solved by Expert Maria Dearborn

Step 1

From the second equation, we can solve for $y$ in terms of $x$: $$\frac{3}{4}x - y = 4 \Rightarrow y = \frac{3}{4}x - 4$$ Show more…

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Solving a System by Substitution In Exercises $15-24$ , solve the system by the method of substitution. $$\left\{\begin{aligned} \frac{1}{2} x+\frac{3}{4} y &=10 \\ \frac{3}{4} x-y &=4 \end{aligned}\right.$$