4a-7=3a+9

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Solution for 4a-7=3a+9 equation: 



4a-7=3a+9

We move all terms to the left:

4a-7-(3a+9)=0

We get rid of parentheses

4a-3a-9-7=0

We add all the numbers together, and all the variables

a-16=0

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

a=16

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