Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Skill Practice - Page 164: 25

$x=7$ and $y=3$

$4x-5y=13$ $/\times(-3)$ to get rid of the $x$ $6x+2y=48$ $/\times(2)$ to get rid of the $x$ _________________ $-12x+15y=-39$ $12x+4y=96$ _________________ $19y=57$ $y=\frac{57}{19}$ $y=3$ when $y=3$... $6x+2(3)=48$ $6x+6=48$ $6x=42$ $x=\frac{42}{6}$ $x=7$