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oee [108]
3 years ago
13

How can i do substitution while multiplying

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0
You multiply then substitute. 

for instance- 2-4x5
2-20
-18

or

3x6-7
18-7
11

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A.)
original/ new-original = x/100
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