2+5a-7a=8

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Solution for 2+5a-7a=8 equation: 


a in (-oo:+oo)

5*a-(7*a)+2 = 8 // - 8

5*a-(7*a)-8+2 = 0

5*a-7*a-8+2 = 0

-2*a-6 = 0 // + 6

-2*a = 6 // : -2

a = 6/(-2)

a = -3

a = -3

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