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ludmilkaskok [199]
4 years ago
8

What is the value of the expression 9+4n-1 when n = 3?

Mathematics
2 answers:
cestrela7 [59]4 years ago
8 0

Answer:

20

Step-by-step explanation:

Evaluate by substituting n = 3 into the expression

9 + (4 × 3) - 1 ← evaluate the multiplication before adding/ subtracting

= 9 + 12 - 1

= 21 - 1

= 20

Nookie1986 [14]4 years ago
3 0
First you multiply 4*n and n=3 so 4*3 = 12
then you have 9+12-1
9+12= 21
21-1=20

so your answer would be 20
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