5x-2x+7x=9x+9

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Solution for 5x-2x+7x=9x+9 equation: 



5x-2x+7x=9x+9

We move all terms to the left:

5x-2x+7x-(9x+9)=0

We add all the numbers together, and all the variables

10x-(9x+9)=0

We get rid of parentheses

10x-9x-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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