Answer:
step 2
Step-by-step explanation:
he was not supposed to multiply by x
he was supposed to combine like terms
add -2x and 4x and add 6 and 5
Is this even a real question
Answer:
(-1, 5)
Step-by-step explanation:
What you do is you start at the point (-4, 8). You then have to go 3 units right which will be -1. Then you will go 3 units down which is 5.
Your answer is (-1, 5).
Answer:
3
Step-by-step explanation:

Hope this helps!
The answer is b
If you go backwards on a number line, you are subtracting--which is the same as adding a negative.
First you go backwards 3 numbers, and then to get to -7, you went down (decreased) by 4 more, or subtracted 4 (added a negative 4)