-8/7a=42

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Solution for -8/7a=42 equation: 


a in (-oo:+oo)

(-8/7)*a = 42 // - 42

(-8/7)*a-42 = 0

-8/7*a-42 = 0 // + 42

-8/7*a = 42 // : -8/7

a = 42/(-8/7)

a = -147/4

a = -147/4

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