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Leni [432]
3 years ago
14

What is 1.2+d+0.4=9.7?

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
Since your solving for d, its actually quite simple to figure out.

First:

9.7 = 1.2 + d + 0.4

Add 1.2 and 0.4 together to get 1.6

1.2 + 0.4 = 1.6

Then, subtract 1.6 from 9.7

9.7 - 1.6 = 8.1

Finally, fill in the blank for d

1.2 + 8.1 + 0.4 = 9.7

so,  d = 8.1

Hope that helps you!
Cloud [144]3 years ago
6 0
1.2 + d + 0.4 = 9.7

1.6 + d = 9.7

1.6 (-1.6) + d = 9.7 (-1.6)

d = 8.1

your answer is 8.1

hope this helps
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