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34kurt
3 years ago
9

The sum of 75 and twice a number is 219. Find the number

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
4 0

Answer:

12

Step-by-step explanation:

219-75=144

144%2=12

Eddi Din [679]3 years ago
3 0

Answer: 72

Step-by-step explanation:

219 - 75 = 144

144/2 = 72

72 + 72 + 75 = 219

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Step-by-step explanation:

In any order of operation (i.e. addition, subtraction, multiplication, devision) the following rules apply for two values for instance <em>a </em>and <em>b </em>where <em>a > b </em>:

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Case 1:

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Thus we have:

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Case 2:

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<em>Adding two Negative values gives a Negative value (Case 1)</em>

Subtracting two Negative values gives a Positive value (Case 2)

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