(X)+(x+2)+(3x)=57

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Solution for (X)+(x+2)+(3x)=57 equation: 



(X)+(X+2)+(3X)=57

We move all terms to the left:

(X)+(X+2)+(3X)-(57)=0

We add all the numbers together, and all the variables

4X+(X+2)-57=0

We get rid of parentheses

4X+X+2-57=0

We add all the numbers together, and all the variables

5X-55=0

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

5X=55

X=55/5

X=11

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