5x+39=7x-3

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Solution for 5x+39=7x-3 equation: 



5x+39=7x-3

We move all terms to the left:

5x+39-(7x-3)=0

We get rid of parentheses

5x-7x+3+39=0

We add all the numbers together, and all the variables

-2x+42=0

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

-2x=-42

x=-42/-2

x=+21

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