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2(y+2) + 3 (x-y) = 2x - 1
2x + 2y - 2= 3x + 6
2y + 4 + 3x - 3y= 2x - 1
2x +2y - 3x = 6+2
2y + 3x - 3y - 2x = -1 -4
2y - x = 8
x- y = -5
2y - x + x -y = 8 - 5
y= 3
x- 3= - 5
x= - 2