Answer:
x = 14
Step-by-step explanation:
21x + 6 = 300
- 6 - 6
21x = 294
/ 21 / 21
The answer is x=14
21x+6=300
21x+6-6=300-6
21x=294
To find x divide both sides by 21.
21x÷21=294÷21
x=14
