3(-2a-1)=-69

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Solution for 3(-2a-1)=-69 equation: 


a in (-oo:+oo)

3*(-2*a-1) = -69 // + 69

3*(-2*a-1)+69 = 0

3*(-2*a-1)+69 = 0

66-6*a = 0

66-6*a = 0

66-6*a = 0 // - 66

-6*a = -66 // : -6

a = -66/(-6)

a = 11

a = 11

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