Step-by-step explanation:
![\frac{3x}{x + 1} \div (x + 1) \\ \\ = \frac{3x}{x + 1} \times \frac{1}{(x + 1) } \\ \\ = \frac{3x}{ {(x + 1)}^{2} }](https://tex.z-dn.net/?f=%20%5Cfrac%7B3x%7D%7Bx%20%2B%201%7D%20%20%5Cdiv%20%28x%20%2B%201%29%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B3x%7D%7Bx%20%2B%201%7D%20%20%5Ctimes%20%20%20%5Cfrac%7B1%7D%7B%28x%20%2B%201%29%20%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B3x%7D%7B%20%7B%28x%20%2B%201%29%7D%5E%7B2%7D%20%7D%20)
Answer:
x=-2
Step-by-step explanation:
-2x-7=3(4x+7)
distribute
-2x-7 = 3*4x +3*7
-2x-7 = 12x+21
add 2x to each side
-2x-7+2x = 12x+2x+21
-7 = 14x+21
subtract 21 from each side
-7-21 = 14x+21-21
-28 = 14x
divide by 14
-28/14 = 14x/14
-2 =x
Answer:
The answer is B, sorry if I'm wrong.
Step-by-step explanation:
Answer:
4.8m
Step-by-step explanation:
Y = x +5
As you can see on the graph the ones on x are going up 5 to Y