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KATRIN_1 [288]
3 years ago
4

Pls help me apparently its easy

Mathematics
2 answers:
inna [77]3 years ago
3 0

Answer:

The answer should be 10c - 4d

Step-by-step explanation:

3c + 7c - 9d + 5d = 10c - 4d

pentagon [3]3 years ago
3 0

Step-by-step explanation:

First you add up 3c and 7c as they have the same parameter. That makes 10c. Then calculate 5d-9d which equals -4d. You can change the order of 5d-9d in a way that you would reduce the larger number from the smaller number so that you could calculate it easily like that. The final Ander 2ould be 10c-4d

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