-7a+3=80

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Solution for -7a+3=80 equation: 


a in (-oo:+oo)

3-7*a = 80 // - 80

3-7*a-80 = 0

-7*a-77 = 0 // + 77

-7*a = 77 // : -7

a = 77/(-7)

a = -11

a = -11

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