2a-5=-45+7a

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Solution for 2a-5=-45+7a equation: 


a in (-oo:+oo)

2*a-5 = 7*a-45 // - 7*a-45

2*a-(7*a)-5+45 = 0

2*a-7*a-5+45 = 0

40-5*a = 0 // - 40

-5*a = -40 // : -5

a = -40/(-5)

a = 8

a = 8

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