9+7X=x+45

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Solution for 9+7X=x+45 equation: 



9+7X=X+45

We move all terms to the left:

9+7X-(X+45)=0

We get rid of parentheses

7X-X-45+9=0

We add all the numbers together, and all the variables

6X-36=0

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

6X=36

X=36/6

X=6

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