4-(7a)=3-a+13

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Solution for 4-(7a)=3-a+13 equation: 



4-(7a)=3-a+13

We move all terms to the left:

4-(7a)-(3-a+13)=0

We add all the numbers together, and all the variables

-7a-(-1a+16)+4=0

We get rid of parentheses

-7a+1a-16+4=0

We add all the numbers together, and all the variables

-6a-12=0

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

-6a=12

a=12/-6

a=-2

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