-x+21=-10

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Solution for -x+21=-10 equation:



-x+21=-10
We move all terms to the left:
-x+21-(-10)=0
We add all the numbers together, and all the variables
-1x+31=0
We move all terms containing x to the left, all other terms to the right
-x=-31
x=-31/-1
x=+31

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