Respuesta :
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
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