7a-5=4a+13

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Solution for 7a-5=4a+13 equation: 



7a-5=4a+13

We move all terms to the left:

7a-5-(4a+13)=0

We get rid of parentheses

7a-4a-13-5=0

We add all the numbers together, and all the variables

3a-18=0

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

3a=18

a=18/3

a=6

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