W/2+7=-4

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Solution for W/2+7=-4 equation: 


W in (-oo:+oo)

W/2+7 = -4 // + 4

W/2+4+7 = 0

1/2*W+11 = 0 // - 11

1/2*W = -11 // : 1/2

W = -11/1/2

W = -22

W = -22

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