80-(x/9)=x/7 - solution

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Solution for 80-(x/9)=x/7 equation:

x in (-oo:+oo)

80-(x/9) = x/7 // - x/7

80-(x/9)-(x/7) = 0

80-16/63*x = 0 // - 80

-16/63*x = -80 // : -16/63

x = -80/(-16/63)

x = 315

x = 315

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