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victus00 [196]
3 years ago
11

How did you solve it

Mathematics
1 answer:
Alina [70]3 years ago
4 0

Step-by-step explanation:

by my intelligent brain.......

hope it helps

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The sum of twice a number d and 13 is 12
Mariana [72]
2d + 13 = 12

d = -0.5

-0.5 × 2 = -1

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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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