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From the set {20, 38, 47}, use substitution to determine which value of x makes the inequality true. x - 9 > 29 a. 47 b.none of these c.38 d.20
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From the set {20, 38, 47}, use substitution to determine which value of x makes the inequality true.

x - 9 > 29
a. 47

b.none of these

c.38

d.20

User MrFisherman
by
8.3k points

1 Answer

3 votes
one way is to solve (it's easier)

x-9>29
add 9
x+9-9>29+9
x+0>38
x>38
just pick the numbers bigger than 38 as answer


47 is only number (38>38 is false)



answer is A

User Colson
by
8.6k points
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