-7(1-3a)=-57+11a

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Solution for -7(1-3a)=-57+11a equation: 



-7(1-3a)=-57+11a

We move all terms to the left:

-7(1-3a)-(-57+11a)=0

We add all the numbers together, and all the variables

-7(-3a+1)-(11a-57)=0

We multiply parentheses

21a-(11a-57)-7=0

We get rid of parentheses

21a-11a+57-7=0

We add all the numbers together, and all the variables

10a+50=0

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

10a=-50

a=-50/10

a=-5

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