-2a+9+a=16

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Solution for -2a+9+a=16 equation: 


a in (-oo:+oo)

a-2*a+9 = 16 // - 16

a-2*a-16+9 = 0

-a-7 = 0 // + 7

-a = 7 // * -1

a = -7

a = -7

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