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Ratling [72]
3 years ago
5

What is the to this question 5x+7x=72

Mathematics
1 answer:
Anastaziya [24]3 years ago
3 0

Answer:

x=6

Step-by-step explanation:

Combine like terms, 5x and 7x

12x=72

Isolate the variable by dividing by 12

x=6

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We know that 50% of the number is 150 so we can assume the number is 300(if its 50% just double that number). Next we use the equation 0.80 x 300 which gives us the answer 240.

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3 years ago
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Verdich [7]
Thank you for posting your question here at brainly. Feel free to ask more questions.   
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The best and most correct answer among the choices provided by the question is 0 (zero)</span>.          <span>
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Hope my answer would be a great help for you. </span> </span>
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