19=2a+7a-8

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Solution for 19=2a+7a-8 equation: 


a in (-oo:+oo)

19 = 2*a+7*a-8 // - 2*a+7*a-8

8-(2*a)-(7*a)+19 = 0

8-2*a-7*a+19 = 0

27-9*a = 0 // - 27

-9*a = -27 // : -9

a = -27/(-9)

a = 3

a = 3

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