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5(x+3y)-8(2x-y)=-32
4x-2y+3x+9y=42
5x+15y-16x+8y=-32
7x+7y=42 |:7
23y-11x=-32
x+y=6
23y-11x=-32
y=6-x
23(6-x)-11x=-32
y=6-x
138-23x-11x=-32
y=6-x
-34x=-170 |:(-34)
y=6-x
x=5
y=1