3x+x+7=5x+7

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Solution for 3x+x+7=5x+7 equation: 



3x+x+7=5x+7

We move all terms to the left:

3x+x+7-(5x+7)=0

We add all the numbers together, and all the variables

4x-(5x+7)+7=0

We get rid of parentheses

4x-5x-7+7=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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