7x+45=9x-31

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Solution for 7x+45=9x-31 equation: 



7x+45=9x-31

We move all terms to the left:

7x+45-(9x-31)=0

We get rid of parentheses

7x-9x+31+45=0

We add all the numbers together, and all the variables

-2x+76=0

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

-2x=-76

x=-76/-2

x=+38

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