-1/2z-7=-11

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Solution for -1/2z-7=-11 equation: 


z in (-oo:+oo)

(-1/2)*z-7 = -11 // + 11

(-1/2)*z-7+11 = 0

4-1/2*z = 0 // - 4

-1/2*z = -4 // : -1/2

z = -4/(-1/2)

z = 8

z = 8

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