66=-2(5a-3)

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Solution for 66=-2(5a-3) equation: 



66=-2(5a-3)

We move all terms to the left:

66-(-2(5a-3))=0



We calculate terms in parentheses: -(-2(5a-3)), so:

-2(5a-3)

We multiply parentheses

-10a+6

Back to the equation:

-(-10a+6)



We get rid of parentheses

10a-6+66=0

We add all the numbers together, and all the variables

10a+60=0

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

10a=-60

a=-60/10

a=-6

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