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30 December, 21:10

Complete the following proof.

Given: 200 = 4m + 18 - 2m

Prove: m = 91

1. 200 = 4m + 18 - 2m Given

2. 200 = 2m + 18 Combine like terms

3. 182 = 2m Addition Property

4. 91 = m Division Property

5. m = 91 Symmetric Property

I think this is correct, but I just want to double check

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Answers (1)
  1. 30 December, 23:48
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    Your answer is correct since you followed the steps:1. 200 = 4m + 18 - 2m is the given equation

    2. 200 = 2m + 18 combine like terms  200 - 18 = 2m

    3. 182 = 2m Addition Property  182 = 2m

    4. 91 = m Division Property  182 : 2 = 2m : 2

    5. m = 91 Symmetric Property
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