7a-9=4a-4

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



7a-9=4a-4

We move all terms to the left:

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

We get rid of parentheses

7a-4a+4-9=0

We add all the numbers together, and all the variables

3a-5=0

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

3a=5

a=5/3

a=1+2/3

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