Three planes a distinct lines have in common
A=a+b+c+d/4
subtract a from both sides
0=b+c+d/4
Subtract b from both sides
-b=c+d/4
Finally subtract d/4 from both sides
c=-d/4-b
Answer:
literally google graphing calculator and type 3x
It is called a consistent dependent system
Answer:
1000 is the best answer yet