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

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



(X+7)+(3X-3)=9+9

We move all terms to the left:

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

We add all the numbers together, and all the variables

(X+7)+(3X-3)-18=0

We get rid of parentheses

X+3X+7-3-18=0

We add all the numbers together, and all the variables

4X-14=0

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

4X=14

X=14/4

X=3+1/2

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