X+(3x)+(7+x)=57

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Solution for X+(3x)+(7+x)=57 equation: 



X+(3X)+(7+X)=57

We move all terms to the left:

X+(3X)+(7+X)-(57)=0

We add all the numbers together, and all the variables

X+3X+(X+7)-57=0

We add all the numbers together, and all the variables

4X+(X+7)-57=0

We get rid of parentheses

4X+X+7-57=0

We add all the numbers together, and all the variables

5X-50=0

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

5X=50

X=50/5

X=10

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