-8-2a=-9

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Solution for -8-2a=-9 equation: 


a in (-oo:+oo)

-(2*a)-8 = -9 // + 9

9-(2*a)-8 = 0

9-2*a-8 = 0

1-2*a = 0 // - 1

-2*a = -1 // : -2

a = -1/(-2)

a = 1/2

a = 1/2

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