-u/7+2=13

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Solution for -u/7+2=13 equation: 


u in (-oo:+oo)

2-u/7 = 13 // - 13

2-u/7-13 = 0

-1/7*u-11 = 0 // + 11

-1/7*u = 11 // : -1/7

u = 11/(-1/7)

u = -77

u = -77

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