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2*(-(2*x)-7) = -2 // + 2
2*(-(2*x)-7)+2 = 0
2*(-2*x-7)+2 = 0
2*(-2*x-7)+2 = 0
-4*x-12 = 0
-4*x-12 = 0
-4*x-12 = 0 // + 12
-4*x = 12 // : -4
x = 12/(-4)
x = -3
x = -3
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