Answer:
C=10
Step-by-step explanation:
To solve this problem, first, you have to isolate it on one side of the equation. Remember, isolate c on one side of the equation.
3/2c+23-23=38-23 (subtract 23 from both sides.)
38-23 (solve.)
38-23=15
3/2c=15
2*3/2c=15*2 (multiply 2 from both sides.)
15*2 (solve.)
15*2=30
3c=30
3c/3=30/3 (divide by 3 from both sides.)
30/3 (solve.)
30/3=10
c=10
6/9 and 12/21
i think this is the answer your looking for
So firstly, remember that <u>subtracting a negative number is the same as adding a positive number</u> so our expression will look like this:

Now solve as such:

<u>Your answer is -4, or A.</u>
Answer:
X=16
Step-by-step explanation:
7(4 - x) = -84
7*4=28 7*-x=-7x so
28-7x=-84
subtract 28 from -84
-7x=-112
now divide it all by -7
x=16
Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

Recall that this is equivalent to:

Substitute. Hence:

Expand if desired:
