-7-2a=-a-15

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Solution for -7-2a=-a-15 equation: 


a in (-oo:+oo)

-(2*a)-7 = -a-15 // + -a-15

a-(2*a)-7+15 = 0

a-2*a-7+15 = 0

8-a = 0 // - 8

-a = -8 // * -1

a = 8

a = 8

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