730
bought at x
x + 50 - 20 = 760
x = 760 - 30 = 730
The answer is D. I hope I helped
Step-by-step explanation:
Answer:
D. Add 10 to each side, and then divide each side by 4.
4x - 10 = 6
<u> 10 10</u>
4x/4 = 16/4
x = 4