a+7-7a=1

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Solution for a+7-7a=1 equation: 


a in (-oo:+oo)

a-(7*a)+7 = 1 // - 1

a-(7*a)-1+7 = 0

a-7*a-1+7 = 0

6-6*a = 0 // - 6

-6*a = -6 // : -6

a = -6/(-6)

a = 1

a = 1

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