Answer:
7
Step-by-step explanation:
You can divide both 14 and 21 by seven and get a whole number.
The answer to your question, would be 7x + 10.
Hopefully this helps!
She is correct because a negative subtracted by a negative is positive.
Step-by-step explanation:
(22 + (-6/20) × (214 - 10 ( -6/20)) - (284.75)
(22 - 6/20) × (214 + 60/20) - (284.75)
(22 - 0.3) × (214 + 3) - (284.75)
(21.7 × 217) - 284.75
4708.9 - 284.75
= 4424.15
