Answer:
2x - 9
Step-by-step explanation:
7x - (9 + 5x) < distribute the - into the parentheses to get rid of them
7x - 9 - 5x < combine like terms
7x - 5x = 2x
-9 stays as it is as there are no other terms to combine it with
the answer is 2x - 9
He is wrong because 12:55 is one hr and you still need to get to 1:25 but he only got to 1:01 so he did not get the correct answer
I believe the answer is y= -3
Answer:

Step-by-step explanation:
El enunciado pregunta la cantidad inicial de cinta utilizada por Jennifer, la cual es la suma de la porción utilizada y la porción remanente:




Answer:
<u>4-0</u>
3-0
=4/3
<u>y-0</u> =4/3
x-0
3y-0=4x-0
3y=4x
y=4/3x
Step-by-step explanation: