13-a=1-3a

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Solution for 13-a=1-3a equation: 



13-a=1-3a

We move all terms to the left:

13-a-(1-3a)=0

We add all the numbers together, and all the variables

-a-(-3a+1)+13=0

We add all the numbers together, and all the variables

-1a-(-3a+1)+13=0

We get rid of parentheses

-1a+3a-1+13=0

We add all the numbers together, and all the variables

2a+12=0

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

2a=-12

a=-12/2

a=-6

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