-6(6-3a)=30+7a

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Solution for -6(6-3a)=30+7a equation: 



-6(6-3a)=30+7a

We move all terms to the left:

-6(6-3a)-(30+7a)=0

We add all the numbers together, and all the variables

-6(-3a+6)-(7a+30)=0

We multiply parentheses

18a-(7a+30)-36=0

We get rid of parentheses

18a-7a-30-36=0

We add all the numbers together, and all the variables

11a-66=0

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

11a=66

a=66/11

a=6

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