Step-by-step explanation:
I think the best option there is solve
Answer:
(x + 8) × 4 = 21 × 4
Explanation:
x + 8 = 21
21 - 8 = 13
(13 + 8) × 4 = 21 × 4
21 × 4 = 21 × 4
84 = 21 × 4
84 = 84
Answer: (-4,0), (4,0)
unit test lm ao
21.6
i did the math