3/7a+6/7a=18

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Solution for 3/7a+6/7a=18 equation: 


a in (-oo:+oo)

(3/7)*a+(6/7)*a = 18 // - 18

(3/7)*a+(6/7)*a-18 = 0

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

9/7*a = 18 // : 9/7

a = 18/9/7

a = 14

a = 14

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