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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

4a-63a-(+4a)+36=0

We get rid of parentheses

4a-63a-4a+36=0

We add all the numbers together, and all the variables

-63a+36=0

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

-63a=-36

a=-36/-63

a=4/7

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