3(6-7a)=-66

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Solution for 3(6-7a)=-66 equation: 


a in (-oo:+oo)

3*(6-(7*a)) = -66 // + 66

3*(6-(7*a))+66 = 0

3*(6-7*a)+66 = 0

3*(6-7*a)+66 = 0

84-21*a = 0

84-21*a = 0

84-21*a = 0 // - 84

-21*a = -84 // : -21

a = -84/(-21)

a = 4

a = 4

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