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Whats is - 4x + 18 > 2x+12 put into interval notation ?
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Whats is - 4x + 18 > 2x+12 put into interval notation ?

User Franzl
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2 Answers

9 votes

Answer:

(-∞,1)

Explanation:

User Andrew Killen
by
5.3k points
10 votes

−4x+18>2x+12
−4x​+18−18>2x+12−18
−​4x−2x>2x−6−2x

−​6x>−6
Multiply both sides by −1 and reverse the inequality
(​−6x)(−1)<(−6)(−1)
6x<6
x<1
In interval notation (-∞, 1)


User Naufraghi
by
5.5k points
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