Answer:
x = -5
Step-by-step explanation:
Note that x does not change. Hence, this line is a vertical one, and its slope is undefined. The line is defined by the equation x = -5.
Answer:
Step-by-step explanation:
x = 0.8 + 0.2y
Answer:
commutative property
Step-by-step explanation:
It's basically just changing the order of the equation.