5a+13=3a+20

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Solution for 5a+13=3a+20 equation: 



5a+13=3a+20

We move all terms to the left:

5a+13-(3a+20)=0

We get rid of parentheses

5a-3a-20+13=0

We add all the numbers together, and all the variables

2a-7=0

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

2a=7

a=7/2

a=3+1/2

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