-x-9=20

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Solution for -x-9=20 equation:



-x-9=20
We move all terms to the left:
-x-9-(20)=0
We add all the numbers together, and all the variables
-1x-29=0
We move all terms containing x to the left, all other terms to the right
-x=29
x=29/-1
x=-29

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