7+4x=9x+9

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



7+4x=9x+9

We move all terms to the left:

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

We get rid of parentheses

4x-9x-9+7=0

We add all the numbers together, and all the variables

-5x-2=0

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

-5x=2

x=2/-5

x=-2/5

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