7a+9=22-6a

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Solution for 7a+9=22-6a equation: 


a in (-oo:+oo)

7*a+9 = 22-(6*a) // - 22-(6*a)

7*a+6*a-22+9 = 0

13*a-13 = 0 // + 13

13*a = 13 // : 13

a = 13/13

a = 1

a = 1

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