If 5x + 15 is greater than 20, which of the following best describes possible values of x ? a) x > 5, b) x > 3, c) x > 1, d) x < 5, e) x < 1

asked Oct 22, 2015 20.7k views

5 votes

If 5x + 15 is greater than 20, which of the following best describes possible values of x ?

a) x > 5, b) x > 3, c) x > 1, d) x < 5, e) x < 1

by Bcr

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3 votes

$5x+15>20 \\ 5x>20-15 \\ 5x>5 \\ x>5/5 \\ x>1$

This answer is C).

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6 votes

$5x + 15 >20 \ \ |-15\\ \\5x+15-15>20-15 \\ \\5x>5\ \ / :5 \\ \\x > 1 \\ \\ Answer : \ c) \ \ x > 1$

Mingliang Liu answered Oct 27, 2015

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