66-18a=-8(3a-15)

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Solution for 66-18a=-8(3a-15) equation: 



66-18a=-8(3a-15)

We move all terms to the left:

66-18a-(-8(3a-15))=0



We calculate terms in parentheses: -(-8(3a-15)), so:

-8(3a-15)

We multiply parentheses

-24a+120

Back to the equation:

-(-24a+120)



We get rid of parentheses

-18a+24a-120+66=0

We add all the numbers together, and all the variables

6a-54=0

We move all terms containing a to the left, all other terms to the right

6a=54

a=54/6

a=9

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