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Scorpion4ik [409]
3 years ago
15

Please help 9n-3m when n=5and m=7

Mathematics
2 answers:
nadezda [96]3 years ago
3 0

Answer:

45-21=24

Step-by-step explanation:

Virty [35]3 years ago
3 0

Answer: 24

Step-by-step explanation:

Since n is 5 you will multiply 9x5 which you’ll get 45 than you move on to 3m so m=7 so than you will multiply 3x7 which equals 21. The final step is just subtract the two numbers.

9x5 - 3x7= 45 - 21= 24

9x5= 45

3x7= 21

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