-11 because first you add -4 and -7 because when you subtract negatives you add I hope I helped and have a good day
Answer:
9/10
Step-by-step explanation:
I am just a middle-schooler, but like to answer, so I believe k is -1.
Answer:
The answer is D
(x=3, y=8)
Step-by-step explanation:
We want to reduce as many variable as we can so, we can obtain the value for the remaining variables.
Therefore, the first equation y=x+5 multiply it -2., you have -2y=-2x-10 and sum it to the second (2y-x=13), you will obtain the following: -x=13-2x-10.
You have x=3.
If you substitute x=3 in the first equation, you have y=8
Answer:
-57
Step-by-step explanation:
If he had an 8 ft board and cut 65 ft off it would be -57.
