2z/9-7=-2 - solution

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Solution for 2z/9-7=-2 equation:

z in (-oo:+oo)

(2*z)/9-7 = -2 // + 2

(2*z)/9-7+2 = 0

2/9*z-5 = 0 // + 5

2/9*z = 5 // : 2/9

z = 5/2/9

z = 45/2

z = 45/2

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