-150=7a+7a+4

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Solution for -150=7a+7a+4 equation: 


a in (-oo:+oo)

-150 = 7*a+7*a+4 // - 7*a+7*a+4

-(7*a)-(7*a)-150-4 = 0

-7*a-7*a-150-4 = 0

-14*a-154 = 0 // + 154

-14*a = 154 // : -14

a = 154/(-14)

a = -11

a = -11

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