3a+8=57-4a

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Solution for 3a+8=57-4a equation: 



3a+8=57-4a

We move all terms to the left:

3a+8-(57-4a)=0

We add all the numbers together, and all the variables

3a-(-4a+57)+8=0

We get rid of parentheses

3a+4a-57+8=0

We add all the numbers together, and all the variables

7a-49=0

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

7a=49

a=49/7

a=7

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