-4a+9-7a=9

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Solution for -4a+9-7a=9 equation:


a in (-oo:+oo)

9-4*a-(7*a) = 9 // - 9

9-4*a-(7*a)-9 = 0

9-4*a-7*a-9 = 0

-11*a = 0 // : -11

a = 0

a = 0

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