3x-21=5x+10

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Solution for 3x-21=5x+10 equation: 



3x-21=5x+10

We move all terms to the left:

3x-21-(5x+10)=0

We get rid of parentheses

3x-5x-10-21=0

We add all the numbers together, and all the variables

-2x-31=0

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

-2x=31

x=31/-2

x=-15+1/2

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