Answer:
It's 5/4 because you go by x first
This is true.
x+7=8.3. Remove 7 on both sides :x=8.3-7=1.3
(I'm going to use brackets as my absolute value bars lol)
[5 x -3]
[-15]
=15
Answer: You might need to be more descriptive, there's a lot of numbers that could be added together to equal -8.
-4 + -4 = -8.
-6 + -2 = -8.
etc.
Y=-2x+7 That is the equation written in y=mx+b formula