### Home > CCAA8 > Chapter 5 Unit 6 > Lesson CCA: 5.1.2 > Problem5-22

5-22.

Solve each system of equations below.

1.  $y=3x+1$
$x+2y=-5$

• Substitute $3x+1$ for $y$ in the second equation.

• $x+2(3x+1)=−5$

• $(−1,−2)$

1.  $2x+3y=9$
$x-2y=1$

• Multiply the entire second equation by $−2$

• $−2x+4y=−2$

• Solve for $x$.
• $x=3$
• $(3,1)$