3x+17=2x+21

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Solution for 3x+17=2x+21 equation: 



3x+17=2x+21

We move all terms to the left:

3x+17-(2x+21)=0

We get rid of parentheses

3x-2x-21+17=0

We add all the numbers together, and all the variables

x-4=0

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

x=4

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