x+21=5x-11

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Solution for x+21=5x-11 equation: 



x+21=5x-11

We move all terms to the left:

x+21-(5x-11)=0

We get rid of parentheses

x-5x+11+21=0

We add all the numbers together, and all the variables

-4x+32=0

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

-4x=-32

x=-32/-4

x=+8

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