X+(2x)+(20+x)=144

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Solution for X+(2x)+(20+x)=144 equation: 



X+(2X)+(20+X)=144

We move all terms to the left:

X+(2X)+(20+X)-(144)=0

We add all the numbers together, and all the variables

X+2X+(X+20)-144=0

We add all the numbers together, and all the variables

3X+(X+20)-144=0

We get rid of parentheses

3X+X+20-144=0

We add all the numbers together, and all the variables

4X-124=0

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

4X=124

X=124/4

X=31

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