Answer:
x = 1
Step-by-step explanation:
Subtract 10 from 8 to get -2. Then divide -2x by itself so it will cancel out. Whatever you do to one side of the equation, do to the other so divide -2 by -2 to get your answer of 1
15-3b=63
subtract 15 from both sides
-3b=48
divide -3 from both sides
b= -16
Answer:
Step-by-step explanation:
She has 1 in 11 chances of getting the purple one
One of her choices is gone after she takes out the purple one. She has a 1 in 10 chance of taking out the gray one.
1/11 * 1/10 = 1/110
So, we know that:
We also know that 
. We will use that fact to find 
in terms of 
and 
.
Therefore:
Answer: -3/8
Step-by-step explanation:
