9=7-2x+4x

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Solution for 9=7-2x+4x equation: 



9=7-2x+4x

We move all terms to the left:

9-(7-2x+4x)=0

We add all the numbers together, and all the variables

-(2x+7)+9=0

We get rid of parentheses

-2x-7+9=0

We add all the numbers together, and all the variables

-2x+2=0

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

-2x=-2

x=-2/-2

x=1

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