21x-39=14x+18

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Solution for 21x-39=14x+18 equation: 



21x-39=14x+18

We move all terms to the left:

21x-39-(14x+18)=0

We get rid of parentheses

21x-14x-18-39=0

We add all the numbers together, and all the variables

7x-57=0

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

7x=57

x=57/7

x=8+1/7

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