-7a-10+2a=-40

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Solution for -7a-10+2a=-40 equation: 


a in (-oo:+oo)

2*a-7*a-10 = -40 // + 40

2*a-7*a-10+40 = 0

30-5*a = 0 // - 30

-5*a = -30 // : -5

a = -30/(-5)

a = 6

a = 6

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