Solve 2(4x + 3) < 5x + 21.

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asked Sep 5, 2017 4.5k views

2 Answers

Meissnersd · Answer 1 · 2017-09-09T19:10:31+0000

First you simplyify both sides,

8x+6<5x+21

Then you subtract both sides,

8x+(6−5x)<5x+(21−5x)

3x+6<21

Subtract 6 from both sides,

3x+6−6<21−6

3x<15

finally you divide both sides by 3,

$(3x)/(3) \ \textless \ (15)/(3)$
Your answer is:x<5

Glad I could help. c:

Solve 2(4x + 3) < 5x + 21.

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