Question

Jerry thinks that x < 4 is a solution to the following inequality: 2x + 10 < 4x - 20

Is Jerry right? Justify your response.

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Answer 1

x>15

Explanation:

Given the inequality: 2x + 10 < 4x - 20

Collect like terms

2x-4x<-20-10

-2x<-30

x > -30/-2

x>15

Hence the solution is x>15