Question

x • 3 + 6 = 21
Ayudaaa

Answer 1

Respuesta:

x • 3 + 6 = 21

3x=21-6

3x=15

x=5

Answer 2

x · 3 + 6 = 21

3x + 6 = 21

3x = 21 - 6

3x = 15

x = 15/3

x = 5