4a+7=13

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Solution for 4a+7=13 equation: 



4a+7=13

We move all terms to the left:

4a+7-(13)=0

We add all the numbers together, and all the variables

4a-6=0

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

4a=6

a=6/4

a=1+1/2

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