7x-34=4x+21

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Solution for 7x-34=4x+21 equation: 



7x-34=4x+21

We move all terms to the left:

7x-34-(4x+21)=0

We get rid of parentheses

7x-4x-21-34=0

We add all the numbers together, and all the variables

3x-55=0

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

3x=55

x=55/3

x=18+1/3

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