z-7/9z-63 - solution

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Solution for z-7/9z-63 equation:

z in (-oo:+oo)

z-((7/9)*z)-63 = 0

z+(-7/9)*z-63 = 0

2/9*z-63 = 0 // + 63

2/9*z = 63 // : 2/9

z = 63/2/9

z = 567/2

z = 567/2

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