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Solution to 4d+9=21?
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4 votes
Solution to 4d+9=21?

User Glenn Watson
by
7.2k points

2 Answers

4 votes

Answer: 3 = d

Explanation:

4d + 9 = 21

- 9 - 9

4d = 12

— —

4 4

d = 3

User Axiome
by
6.8k points
3 votes

Answer:

d = 3

Explanation:

4d+9=21

4d = 12

d = 3

Let's check

4(3) + 9 = 21

12 + 9 = 21

21 = 21

So, d = 3 is the correct answer.

User Phonon
by
6.9k points
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