z/10-9=4 - solution

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Solution for z/10-9=4 equation:

z in (-oo:+oo)

z/10-9 = 4 // - 4

z/10-9-4 = 0

1/10*z-13 = 0 // + 13

1/10*z = 13 // : 1/10

z = 13/1/10

z = 130

z = 130

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