15x+1=5x+21

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Solution for 15x+1=5x+21 equation: 



15x+1=5x+21

We move all terms to the left:

15x+1-(5x+21)=0

We get rid of parentheses

15x-5x-21+1=0

We add all the numbers together, and all the variables

10x-20=0

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

10x=20

x=20/10

x=2

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