144=-3(8+7x)

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Solution for 144=-3(8+7x) equation: 



144=-3(8+7x)

We move all terms to the left:

144-(-3(8+7x))=0

We add all the numbers together, and all the variables

-(-3(7x+8))+144=0



We calculate terms in parentheses: -(-3(7x+8)), so:

-3(7x+8)

We multiply parentheses

-21x-24

Back to the equation:

-(-21x-24)



We get rid of parentheses

21x+24+144=0

We add all the numbers together, and all the variables

21x+168=0

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

21x=-168

x=-168/21

x=-8

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