=1
Thank you for the points <33
Sir you posted question and answer? or are providing examples of preferred format?
ANSWER
Yes it is very true
<u>EXPLANATION</u>
If the two equations intersect at
then this point must satisfy the two equations.

We substitute
in to erquation (1)




We now substitute
in to erquation (2) also



Since the point satisfy all the two equations, it is true that they intersect at 
Answer:
z= 40
y=140
x= 115
Step-by-step explanation:
look at the pics