Answer:
Excluded value = -7
Solution = ![x = \frac{5}{9}](https://tex.z-dn.net/?f=%20x%20%3D%20%5Cfrac%7B5%7D%7B9%7D%20)
Step-by-step Explanation:
The excluded value is the value that will make the denominator 0.
Thus,
Subtract 7 from both sides
The excluded value is -7
Solution=>
![\frac{2x}{x + 7} + \frac{3x + 1}{x + 7} = \frac{1}{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7Bx%20%2B%207%7D%20%2B%20%5Cfrac%7B3x%20%2B%201%7D%7Bx%20%2B%207%7D%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20)
![\frac{2x + (3x + 1)}{x + 7} = \frac{1}{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%20%2B%20%283x%20%2B%201%29%7D%7Bx%20%2B%207%7D%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20)
![\frac{5x + 1}{x + 7} = \frac{1}{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B5x%20%2B%201%7D%7Bx%20%2B%207%7D%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20)
Cross multiply
![2(5x + 1) = 1(x + 7)](https://tex.z-dn.net/?f=%202%285x%20%2B%201%29%20%3D%201%28x%20%2B%207%29%20)
![10x + 2 = x + 7](https://tex.z-dn.net/?f=%2010x%20%2B%202%20%3D%20x%20%2B%207%20)
![10x - x = -2 + 7](https://tex.z-dn.net/?f=%2010x%20-%20x%20%3D%20-2%20%2B%207%20)
![9x = 5](https://tex.z-dn.net/?f=%209x%20%3D%205%20)
![x = \frac{5}{9}](https://tex.z-dn.net/?f=%20x%20%3D%20%5Cfrac%7B5%7D%7B9%7D%20)
Answer:
C
Step-by-step explanation:
U multiply .5 by itself 4 times
-Lawrence
(5y - 3)(2y + 5) = 10y² + 25y - 6y - 15
= 10y² + 19y - 15
No beacuse there is going to be a extra 6 beacuse 21 times 10 eqaul 210