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26-04-2022
Mathematics

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The sum of 15 and twice a number is -31. Find the number

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mathstudent55 mathstudent55

26-04-2022

Answer:

-23

Step-by-step explanation:

15 + 2n = -31

15 + 2n - 15 = -31 - 15

2n = -46

n = -23

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