3(-1a-1)=-3

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Solution for 3(-1a-1)=-3 equation: 


a in (-oo:+oo)

3*(-1*a-1) = -3 // + 3

3*(-1*a-1)+3 = 0

3*(-a-1)+3 = 0

3*(-a-1)+3 = 0

-3*a = 0

-3*a = 0

-3*a = 0 // : -3

a = 0

a = 0

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