-18+66=-4(x+3)

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Solution for -18+66=-4(x+3) equation: 



-18+66=-4(x+3)

We move all terms to the left:

-18+66-(-4(x+3))=0

We add all the numbers together, and all the variables

-(-4(x+3))+48=0



We calculate terms in parentheses: -(-4(x+3)), so:

-4(x+3)

We multiply parentheses

-4x-12

Back to the equation:

-(-4x-12)



We get rid of parentheses

4x+12+48=0

We add all the numbers together, and all the variables

4x+60=0

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

4x=-60

x=-60/4

x=-15

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