-144=-3(8-7a)+3a

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



-144=-3(8-7a)+3a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-3(-7a+8)+3a

We add all the numbers together, and all the variables

3a-3(-7a+8)

We multiply parentheses

3a+21a-24

We add all the numbers together, and all the variables

24a-24

Back to the equation:

-(24a-24)



We get rid of parentheses

-24a+24-144=0

We add all the numbers together, and all the variables

-24a-120=0

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

-24a=120

a=120/-24

a=-5

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