3x-9+x=5x+7

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Solution for 3x-9+x=5x+7 equation: 



3x-9+x=5x+7

We move all terms to the left:

3x-9+x-(5x+7)=0

We add all the numbers together, and all the variables

4x-(5x+7)-9=0

We get rid of parentheses

4x-5x-7-9=0

We add all the numbers together, and all the variables

-1x-16=0

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

-x=16

x=16/-1

x=-16

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