X+20+2(x+2)=90

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Solution for X+20+2(x+2)=90 equation: 



X+20+2(X+2)=90

We move all terms to the left:

X+20+2(X+2)-(90)=0

We add all the numbers together, and all the variables

X+2(X+2)-70=0

We multiply parentheses

X+2X+4-70=0

We add all the numbers together, and all the variables

3X-66=0

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

3X=66

X=66/3

X=22

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