Question 327469
-4x+y=37
y=4x+37



6x+7y= -13
6x+7(4x+37)= -13
6x+28x+259=-13
34x+259=-13
34x=-13-259
34x=-272
x=-8


y=4x+37=4(-8)+37=-32+37=5


Answers: x=-8, y=5