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weqwewe [10]
3 years ago
12

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Mathematics
2 answers:
Fofino [41]3 years ago
4 0

Answer:

Communitive Property.

Happy to help! :}

Pachacha [2.7K]3 years ago
3 0

Answer:

Step-by-step explanation:

Associative property

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Answer:

  • System is given below

Step-by-step explanation:

  • Let (applicable to all three lines below)
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<u>Required equations:</u>

  • x + y = 50                        total weight
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=========================================

<u><em>Note</em></u><em>. It says don't solve but the solution below for those who is interested to know the answer.</em>

<u>Simplify the second equation and solve by substitution x = 50 - y:</u>

  • 1.6(50 - y) + 2.2y = 87.5
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  • 0.6y = 7.5
  • y = 7.5/0.6
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<u>Find the value of x:</u>

  • x = 50 - 12.5 = 37.5

<u>Hard candy</u> = 37.5 kg and <u>gummy worms</u> = 12.5 kg

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