Answer:
Number 4
Step-by-step explanation:
I have done this quiz before, and that is what it looks like
I don't know if I am right, but good luck!
This solution has no solutions because when you do a substitution method you might end up getting rid of the variable and left with a constant.
Answer:
so it would be (7x-4)+(5x+8) = 160
x=13
Answer:
Step-by-step explanation:
Just plug in
7 - 2(2) = 3