jacquelynv155 jacquelynv155

01-05-2018
Mathematics

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The sum of twice a number d and 13 is 12

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Аноним Аноним

01-05-2018

2d + 13 = 12

d = -0.5

-0.5 × 2 = -1

13 + (-1) = 12

Hope this helped☺☺

Explanations:

Twice a number d and 13 = 2d + 13

The sum = Total

Is 12 = "= 12"

That equals :

2d + 13 = 12

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