4a-4/9+7a=91/18

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Solution for 4a-4/9+7a=91/18 equation: 


a in (-oo:+oo)

4*a+7*a-(4/9) = 91/18 // - 91/18

4*a+7*a-(4/9)-(91/18) = 0

4*a+7*a-4/9-91/18 = 0

11*a-11/2 = 0 // + 11/2

11*a = 11/2 // : 11

a = 11/2/11

a = 1/2

a = 1/2

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