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x +2 = 8
x = 6
b)2y-2+3y-5y+2-y=4
-y = 4 / * (-1)
y = -4
x+2=8
x=8-2
x=6
b)2y-2+3y-5y+2-y=4
-y=4|:(-1)
y=-4
2x-5+2x+7-3x = 8
4x-3x+2 = 8
x+2 = 8
x = 8-2
x = 6
b)
2y-2+3y-5y+2-y = 4
5y-5y-y = 4
-y = 4 |:(-1)
y = -4