5x+21=8x-27

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Solution for 5x+21=8x-27 equation: 



5x+21=8x-27

We move all terms to the left:

5x+21-(8x-27)=0

We get rid of parentheses

5x-8x+27+21=0

We add all the numbers together, and all the variables

-3x+48=0

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

-3x=-48

x=-48/-3

x=+16

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