Question

Para x=5;calcule o valor de:
A)2x
B)3x+1
C)9-x
D)x-15

Answer 1

A)2x

2 • 5 = 10

B)3x+1

3 • 5 + 1

15 + 1

16

C)9-x

9 - 5

4

D)x-15

5 - 15

- 10