3a+11=7a+13

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Solution for 3a+11=7a+13 equation: 



3a+11=7a+13

We move all terms to the left:

3a+11-(7a+13)=0

We get rid of parentheses

3a-7a-13+11=0

We add all the numbers together, and all the variables

-4a-2=0

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

-4a=2

a=2/-4

a=-1/2

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