7=1/2x-4

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Solution for 7=1/2x-4 equation: 


x in (-oo:+oo)

7 = (1/2)*x-4 // - (1/2)*x-4

4-((1/2)*x)+7 = 0

(-1/2)*x+4+7 = 0

11-1/2*x = 0 // - 11

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

x = -11/(-1/2)

x = 22

x = 22

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