15x+20=14x+21

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Solution for 15x+20=14x+21 equation: 



15x+20=14x+21

We move all terms to the left:

15x+20-(14x+21)=0

We get rid of parentheses

15x-14x-21+20=0

We add all the numbers together, and all the variables

x-1=0

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

x=1

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