-18+42=-4(x+9)

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Solution for -18+42=-4(x+9) equation: 



-18+42=-4(x+9)

We move all terms to the left:

-18+42-(-4(x+9))=0

We add all the numbers together, and all the variables

-(-4(x+9))+24=0



We calculate terms in parentheses: -(-4(x+9)), so:

-4(x+9)

We multiply parentheses

-4x-36

Back to the equation:

-(-4x-36)



We get rid of parentheses

4x+36+24=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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