5+2x+21=18+x

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Solution for 5+2x+21=18+x equation: 



5+2x+21=18+x

We move all terms to the left:

5+2x+21-(18+x)=0

We add all the numbers together, and all the variables

2x-(x+18)+5+21=0

We add all the numbers together, and all the variables

2x-(x+18)+26=0

We get rid of parentheses

2x-x-18+26=0

We add all the numbers together, and all the variables

x+8=0

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

x=-8

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