-378=-7(6-8a)

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Solution for -378=-7(6-8a) equation: 



-378=-7(6-8a)

We move all terms to the left:

-378-(-7(6-8a))=0

We add all the numbers together, and all the variables

-(-7(-8a+6))-378=0



We calculate terms in parentheses: -(-7(-8a+6)), so:

-7(-8a+6)

We multiply parentheses

56a-42

Back to the equation:

-(56a-42)



We get rid of parentheses

-56a+42-378=0

We add all the numbers together, and all the variables

-56a-336=0

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

-56a=336

a=336/-56

a=-6

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