3a+1=7a-13

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Solution for 3a+1=7a-13 equation: 



3a+1=7a-13

We move all terms to the left:

3a+1-(7a-13)=0

We get rid of parentheses

3a-7a+13+1=0

We add all the numbers together, and all the variables

-4a+14=0

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

-4a=-14

a=-14/-4

a=3+1/2

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