Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Skill Practice - Page 164: 20

$x=\frac{3}{5}$ and $y=-5$

$10x-2y=16$ $5x+3y=-12$ $/\times(-2)$ to get rid of the $x$ _________________ $10x-2y=16$ $-10x-6y=24$ _________________ $-8y=40$ $y=-5$ when $y=-5$... $10x-2(-5)=16$ $10x+10=16$ $10x=6$ $x=\frac{6}{10}$ $x=\frac{3}{5}$