Answer: 21
Step-by-step explanation:
3x + 3 = 15
3x = 12
x = 4
5x + 1
5(4) + 1
20 + 1
21
Answer:
[tex]we \: have \: 3x + 3 = 15 \\ 3x = 15 - 3 \\ 3x = 12 \\ x = 12 \div \\ x = 4 \\ then \: 5x + 1 = 5 \times 4 + 1 = 20 + 1 \\ = 21 \\ thank \: you[/tex]
