SOLUTION: if k = 0, then the solution set of : 20-x

SOLUTION: if k = 0, then the solution set of : 20-x < k is,

Question 127016: if k = 0, then the solution set of : 20-x < k is,
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given inequality

Plug in

Subtract 20 from both sides

Combine like terms on the right side

Divide both sides by -1 to isolate x (note: Remember, dividing both sides by a negative number flips the inequality sign)

Divide

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Answer:
So our answer is

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