3x+7=25+x

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Solution for 3x+7=25+x equation: 



3x+7=25+x

We move all terms to the left:

3x+7-(25+x)=0

We add all the numbers together, and all the variables

3x-(x+25)+7=0

We get rid of parentheses

3x-x-25+7=0

We add all the numbers together, and all the variables

2x-18=0

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

2x=18

x=18/2

x=9

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