z/8-7=-2 - solution

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Solution for z/8-7=-2 equation:

z in (-oo:+oo)

z/8-7 = -2 // + 2

z/8-7+2 = 0

1/8*z-5 = 0 // + 5

1/8*z = 5 // : 1/8

z = 5/1/8

z = 40

z = 40

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