2u+8=2u+21

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Solution for 2u+8=2u+21 equation: 



2u+8=2u+21

We move all terms to the left:

2u+8-(2u+21)=0

We get rid of parentheses

2u-2u-21+8=0

We add all the numbers together, and all the variables

-13!=0

There is no solution for this equation

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