20-(x+4)=9

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Solution for 20-(x+4)=9 equation:



20-(x+4)=9
We move all terms to the left:
20-(x+4)-(9)=0
We add all the numbers together, and all the variables
-(x+4)+11=0
We get rid of parentheses
-x-4+11=0
We add all the numbers together, and all the variables
-1x+7=0
We move all terms containing x to the left, all other terms to the right
-x=-7
x=-7/-1
x=+7

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