5x-21=3x-1

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Solution for 5x-21=3x-1 equation: 



5x-21=3x-1

We move all terms to the left:

5x-21-(3x-1)=0

We get rid of parentheses

5x-3x+1-21=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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