### Home > CCAA8 > Chapter 8 Unit 9 > Lesson CCA: 8.1.5 > Problem8-51

8-51.

Solve each of the following systems of equations algebraically. Then confirm your solutions by graphing.

1.  $y=4x+5\\y=−2x−13$

$(−3,−7)$

1.  $2x+y=9$
$y=−x+4$

The first equation can be rewritten as $y=−2x+9$.