15x-21=x+3

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Solution for 15x-21=x+3 equation: 



15x-21=x+3

We move all terms to the left:

15x-21-(x+3)=0

We get rid of parentheses

15x-x-3-21=0

We add all the numbers together, and all the variables

14x-24=0

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

14x=24

x=24/14

x=1+5/7

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