3x-40=2x+21

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Solution for 3x-40=2x+21 equation: 



3x-40=2x+21

We move all terms to the left:

3x-40-(2x+21)=0

We get rid of parentheses

3x-2x-21-40=0

We add all the numbers together, and all the variables

x-61=0

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

x=61

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