X-20+3x=2(x+1)

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Solution for X-20+3x=2(x+1) equation: 



X-20+3X=2(X+1)

We move all terms to the left:

X-20+3X-(2(X+1))=0

We add all the numbers together, and all the variables

4X-(2(X+1))-20=0



We calculate terms in parentheses: -(2(X+1)), so:

2(X+1)

We multiply parentheses

2X+2

Back to the equation:

-(2X+2)



We get rid of parentheses

4X-2X-2-20=0

We add all the numbers together, and all the variables

2X-22=0

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

2X=22

X=22/2

X=11

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