7x+21=3x+37

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Solution for 7x+21=3x+37 equation: 



7x+21=3x+37

We move all terms to the left:

7x+21-(3x+37)=0

We get rid of parentheses

7x-3x-37+21=0

We add all the numbers together, and all the variables

4x-16=0

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

4x=16

x=16/4

x=4

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