Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Quiz for Lessons 3.1-3.2 - Page 167: 12

$x=76$ and $y=-45$

$2x+3y=17$ $/\times(-5)$ to get rid of the $x$ $5x+8y=20$ $/\times(2)$ to get rid of the $x$ _________________ $-10x-15y=-85$ $10x+16y=40$ _________________ $y=-45$ when $y=-45$... $2x+3(-45)=17$ $2x-135=17$ $2x=152$ $x=\frac{152}{2}$ $x=76$