-7=3a-4a-4

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Solution for -7=3a-4a-4 equation: 


a in (-oo:+oo)

-7 = 3*a-(4*a)-4 // - 3*a-(4*a)-4

4*a-(3*a)-7+4 = 0

4*a-3*a-7+4 = 0

a-3 = 0 // + 3

a = 3

a = 3

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