Answer:
Step-by-step explanation:
Answer:(12,17)
Step-by-step explanation:
X + y= 29
4.50x + 7y=173
Solve by elimination.
Answer:
I would say that they are different because if x - a has a value to the equation then that means a - x will not have the same value because it may be rearranged to a different equation but that doesn't mean that they will have the same value. that explain why x - a and a - x are not the same