7+5a-7a=7

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Solution for 7+5a-7a=7 equation: 


a in (-oo:+oo)

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

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

5*a-7*a-7+7 = 0

-2*a = 0 // : -2

a = 0

a = 0

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