7x-9+4x=18x+20

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Solution for 7x-9+4x=18x+20 equation: 



7x-9+4x=18x+20

We move all terms to the left:

7x-9+4x-(18x+20)=0

We add all the numbers together, and all the variables

11x-(18x+20)-9=0

We get rid of parentheses

11x-18x-20-9=0

We add all the numbers together, and all the variables

-7x-29=0

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

-7x=29

x=29/-7

x=-4+1/7

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