-b/7=9

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Solution for -b/7=9 equation: 


b in (-oo:+oo)

-b/7 = 9 // - 9

-b/7-9 = 0

-1/7*b-9 = 0 // + 9

-1/7*b = 9 // : -1/7

b = 9/(-1/7)

b = -63

b = -63

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