9-4a=4a-15

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Solution for 9-4a=4a-15 equation: 


a in (-oo:+oo)

9-(4*a) = 4*a-15 // - 4*a-15

9-(4*a)-(4*a)+15 = 0

9-4*a-4*a+15 = 0

24-8*a = 0 // - 24

-8*a = -24 // : -8

a = -24/(-8)

a = 3

a = 3

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