21x+1=20x+16

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Solution for 21x+1=20x+16 equation: 



21x+1=20x+16

We move all terms to the left:

21x+1-(20x+16)=0

We get rid of parentheses

21x-20x-16+1=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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