X+(x+20)+30=220

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Solution for X+(x+20)+30=220 equation: 



X+(X+20)+30=220

We move all terms to the left:

X+(X+20)+30-(220)=0

We add all the numbers together, and all the variables

X+(X+20)-190=0

We get rid of parentheses

X+X+20-190=0

We add all the numbers together, and all the variables

2X-170=0

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

2X=170

X=170/2

X=85

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