7x-(3x+9)=3

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Solution for 7x-(3x+9)=3 equation: 



7x-(3x+9)=3

We move all terms to the left:

7x-(3x+9)-(3)=0

We get rid of parentheses

7x-3x-9-3=0

We add all the numbers together, and all the variables

4x-12=0

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

4x=12

x=12/4

x=3

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