7x-39=x+45

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Solution for 7x-39=x+45 equation: 



7x-39=x+45

We move all terms to the left:

7x-39-(x+45)=0

We get rid of parentheses

7x-x-45-39=0

We add all the numbers together, and all the variables

6x-84=0

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

6x=84

x=84/6

x=14

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