Respuesta :
Answer:3
Step-by-step explanation:
7x3=21 4x3=12 21÷12=9 3x3=9
Answer:
- 3
Step-by-step explanation:
- 7 × 3 = (x × 3) + (4 × 3)
- 21 = 3x + 12
- 3x = 21 - 12
- 3x = 9
- x = 9/3
- x = 3
7 × 3 = (3 × 3) + (4 × 3)
Answer:3
Step-by-step explanation:
7x3=21 4x3=12 21÷12=9 3x3=9
Answer:
Step-by-step explanation:
7 × 3 = (3 × 3) + (4 × 3)