7-2x=9+2x

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Solution for 7-2x=9+2x equation: 



7-2x=9+2x

We move all terms to the left:

7-2x-(9+2x)=0

We add all the numbers together, and all the variables

-2x-(2x+9)+7=0

We get rid of parentheses

-2x-2x-9+7=0

We add all the numbers together, and all the variables

-4x-2=0

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

-4x=2

x=2/-4

x=-1/2

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