4x+21=2x+68

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Solution for 4x+21=2x+68 equation: 



4x+21=2x+68

We move all terms to the left:

4x+21-(2x+68)=0

We get rid of parentheses

4x-2x-68+21=0

We add all the numbers together, and all the variables

2x-47=0

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

2x=47

x=47/2

x=23+1/2

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