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The question is in attachment, pls help :)
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The question is in attachment, pls help :)

The question is in attachment, pls help :)-example-1
User John White
by
7.7k points

2 Answers

6 votes
2d + 4 = 10 + 2.5d
4 - 10 = 2.5d - 2d
-6 = 0.5d,
d = -6/0.5
d = -12
User Florin Ghita
by
9.0k points
4 votes

Answer:

d=-12

Explanation:

Negate 4 from both sides:

2d = 6+2.5d

-2.5d from both sides:

-1/2d = 6

x2 both sides:

-1d = 12

Divide by -1 on both sides:

d=-12

User Mark Taylor
by
7.9k points
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