SOLUTION: I really need your help with this equality: 3|-7x|+8< 50
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Question 330953
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I really need your help with this equality:
3|-7x|+8< 50
Answer by
jrfrunner(365)
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first simplify (a common thing to do in most math problems) to get the absolute expression on one side
3|-7x|+8<50
|-7x|<42/3=14, |-7x|=|7x|
|7x|<14
-14<7x<14
anytime you have |expression|
-number
-2