Question

Solve each system by substitution

-3x-2y=13
-3x+3y=3

Answer 1

x= -11, y= -10

Explanation:

Please see attached picture for full solution.

To check answer, subst. value of x and y into eqn 1:

-3(-11) +2(-10)= 13

since the answer is 13 too, the values are correct.