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choli [55]
3 years ago
15

Evaluate 21 - n for n = 3 * please help me with this

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0
21-3=18 because n=3 and you’re just subtracting
qwelly [4]3 years ago
4 0

Answer:

18

Step-by-step explanation:

21-n; n=3

Substitute n for 3:

  • 21-3

Solve.

  • 18
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