1a=13+3a

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Solution for 1a=13+3a equation: 



1a=13+3a

We move all terms to the left:

1a-(13+3a)=0

We add all the numbers together, and all the variables

1a-(3a+13)=0

We add all the numbers together, and all the variables

a-(3a+13)=0

We get rid of parentheses

a-3a-13=0

We add all the numbers together, and all the variables

-2a-13=0

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

-2a=13

a=13/-2

a=-6+1/2

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