3x+7=11+x

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Solution for 3x+7=11+x equation: 



3x+7=11+x

We move all terms to the left:

3x+7-(11+x)=0

We add all the numbers together, and all the variables

3x-(x+11)+7=0

We get rid of parentheses

3x-x-11+7=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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