3(x+7)-x=2(2x+10)

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Solution for 3(x+7)-x=2(2x+10) equation: 



3(x+7)-x=2(2x+10)

We move all terms to the left:

3(x+7)-x-(2(2x+10))=0

We add all the numbers together, and all the variables

-1x+3(x+7)-(2(2x+10))=0

We multiply parentheses

-1x+3x-(2(2x+10))+21=0



We calculate terms in parentheses: -(2(2x+10)), so:

2(2x+10)

We multiply parentheses

4x+20

Back to the equation:

-(4x+20)



We add all the numbers together, and all the variables

2x-(4x+20)+21=0

We get rid of parentheses

2x-4x-20+21=0

We add all the numbers together, and all the variables

-2x+1=0

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

-2x=-1

x=-1/-2

x=1/2

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