-4=7a+4a-4

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


a in (-oo:+oo)

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

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

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

-11*a = 0 // : -11

a = 0

a = 0

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