colainjean colainjean

24-04-2020
Mathematics

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Two times the sum of a number and 4 equals 7.

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Аноним Аноним

24-04-2020

Answer:

-1/2 or -.5

Step-by-step explanation:

2(n + 4) = 7

2n + 8 = 7

2n = -1

n = -1/2

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