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2x-4x-20=-9+4x+11
We move all terms to the left:
2x-4x-20-(-9+4x+11)=0
We add all the numbers together, and all the variables
2x-4x-(4x+2)-20=0
We add all the numbers together, and all the variables
-2x-(4x+2)-20=0
We get rid of parentheses
-2x-4x-2-20=0
We add all the numbers together, and all the variables
-6x-22=0
We move all terms containing x to the left, all other terms to the right
-6x=22
x=22/-6
x=-3+2/3
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