3x-21=x+37

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Solution for 3x-21=x+37 equation: 



3x-21=x+37

We move all terms to the left:

3x-21-(x+37)=0

We get rid of parentheses

3x-x-37-21=0

We add all the numbers together, and all the variables

2x-58=0

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

2x=58

x=58/2

x=29

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