9+7x=4x+2x

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



9+7x=4x+2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-(+6x)+9=0

We get rid of parentheses

7x-6x+9=0

We add all the numbers together, and all the variables

x+9=0

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

x=-9

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