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-10(x+5)=-81
We move all terms to the left:
-10(x+5)-(-81)=0
We add all the numbers together, and all the variables
-10(x+5)+81=0
We multiply parentheses
-10x-50+81=0
We add all the numbers together, and all the variables
-10x+31=0
We move all terms containing x to the left, all other terms to the right
-10x=-31
x=-31/-10
x=3+1/10
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