2(-3a-7)=-86

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Solution for 2(-3a-7)=-86 equation: 


a in (-oo:+oo)

2*(-3*a-7) = -86 // + 86

2*(-3*a-7)+86 = 0

2*(-3*a-7)+86 = 0

72-6*a = 0

72-6*a = 0

72-6*a = 0 // - 72

-6*a = -72 // : -6

a = -72/(-6)

a = 12

a = 12

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