2x+89=4x+21

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Solution for 2x+89=4x+21 equation: 



2x+89=4x+21

We move all terms to the left:

2x+89-(4x+21)=0

We get rid of parentheses

2x-4x-21+89=0

We add all the numbers together, and all the variables

-2x+68=0

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

-2x=-68

x=-68/-2

x=+34

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