144=-2x-3(-7x+9)

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Solution for 144=-2x-3(-7x+9) equation: 



144=-2x-3(-7x+9)

We move all terms to the left:

144-(-2x-3(-7x+9))=0



We calculate terms in parentheses: -(-2x-3(-7x+9)), so:

-2x-3(-7x+9)

We multiply parentheses

-2x+21x-27

We add all the numbers together, and all the variables

19x-27

Back to the equation:

-(19x-27)



We get rid of parentheses

-19x+27+144=0

We add all the numbers together, and all the variables

-19x+171=0

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

-19x=-171

x=-171/-19

x=+9

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