4a-9=a-7

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



4a-9=a-7

We move all terms to the left:

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

We get rid of parentheses

4a-a+7-9=0

We add all the numbers together, and all the variables

3a-2=0

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

3a=2

a=2/3

a=2/3

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