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Sonja [21]
3 years ago
8

What is X for? x+20=35-4x

Mathematics
2 answers:
avanturin [10]3 years ago
5 0

Answer: x=3

You first place the x's in one side and the non x's in the other. Remember DCI.

Then solve. You get x=3

Helen [10]3 years ago
4 0
X+4x=35-20. 5x=35-20. 5x=15. X=3
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<em>We</em><em> </em><em>want</em><em> </em><em>to </em><em>find</em><em> </em><em>the</em><em> </em><em>popula</em><em>tion</em><em> </em><em>that</em><em> </em><em>corresponds</em><em> </em><em>to </em><em>100%</em><em> </em><em>that </em><em>is </em><em>the</em><em> </em><em>original</em><em> </em><em>population</em><em>.</em>

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3 years ago
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