The original value of x was negative, then –x, the opposite-signed version of x, would have to be positive. For instance, if I start with x = –3, then –x = –(–3) = +3, which is positive.
Answer:
The cookies cost $6 each, and $12 altogether.
Step-by-step explanation:
50-38=12, or x
Yes because it is just milk and a substance in the milk
<span>x(t-u) = 3t
dividing both sides by (t-u):
So.. </span><span><em>x = 3t/(t-u)</em></span>