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Q: 4x+3x=42 plz explain how to get answer
A: First we combine like terms in one side of the equation. 3x+4x=42+7... 7 became positive since it was transferred to the other side of the equation. Then we do the necessary operations.. 7x=49(just add both sides)... [ then to get the value of x, divide both sides by seven. 49/7=7 so the answer is x=7. ]
ajcabrias|Points 100|
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Asked 5/17/2013 11:15:03 AM
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The heart of an elephant , at rest will beat an average of 1380 beats in 60 min. what is the rate in beats per min? the rate is ___ beat/min simplify answer
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Updated 15 days ago|9/9/2017 12:00:06 PM
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The heart of an elephant , at rest will beat an average of 1380 beats in 60 min. what is the rate in beats per min? the rate is 23 beat/min.
Added 15 days ago|9/9/2017 12:00:06 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/9/2017 4:45:09 PM]
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