X + x - x is x
y + y + y is 3y
-z + z - z is -z
x + 3y
Answer:
Answers are below
Step-by-step explanation:
3 - 7 = -4
4 - 6 = -2
3 + -6 = -3
4 - - 1 = 5
-5 + -5 = -10
-3 + 5 = 2
-4 -6 = -10
Hope this helps!!
These lines are only parallel lines because these lines don't touch each other and parallel lines don't touch each other.
C= -1 because when you add 38 to the other side you are left with -75c=75 then divide by -75 and you are left with -1
