Answer:
Therefore the solutions are

Step-by-step explanation:
Given:
.........( 1 )
................( 2 )
To Find:
x = ?
y = ?
Solution:
Substituting ' y ' in Equation 1 we get

Using identity (A+B)²=A²+2AB+B² we get

Now Substitute x =0 in equation 2 we get

Or
Now Substitute x =-4 in equation 2 we get

Therefore the solutions are

Answer:
I get 20
Step-by-step explanation:
While there probably is some logical way to go about this I just did it in excel
screenshot below
Answer:
C
Step-by-step explanation:
Answer:
13/24
Step-by-step explanation:
Find the LCD of 8 and 3, which is 24.
Now, multiply both numerators so that the following fractions would be equal:
7/8 = x/24
1/3 = y/24
Our result is that
7/8=21/24
1/3 = 8/24
21/24 - 8/24 = 13/24