3x-x+4=2(2x+1)

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Solution for 3x-x+4=2(2x+1) equation: 



3x-x+4=2(2x+1)

We move all terms to the left:

3x-x+4-(2(2x+1))=0

We add all the numbers together, and all the variables

2x-(2(2x+1))+4=0



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

2(2x+1)

We multiply parentheses

4x+2

Back to the equation:

-(4x+2)



We get rid of parentheses

2x-4x-2+4=0

We add all the numbers together, and all the variables

-2x+2=0

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

-2x=-2

x=-2/-2

x=1

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