2x-3y=-36
y=2/3x+122x+7y-44=02x+7*(2/3x+12)-44=020/3x+40=0
x=-40/(20/3)x=-62x-3y=-36 2*(-6)-3y=-36
-12-3y+36=0
24-3y=0
y=24/3y=8ответ: x=-6; y=8.
2x-3y=-36
y=2/3x+12
2x+7y-44=0
2x+7*(2/3x+12)-44=0
20/3x+40=0
x=-40/(20/3)
x=-6
2x-3y=-36
2*(-6)-3y=-36
-12-3y+36=0
24-3y=0
y=24/3
y=8
ответ: x=-6; y=8.