Question 168385
determine x, y and z when 
x+y+z=1150  
x=4z-100  
x=6y+50
-------------
x + y + z = 1150
x + 0 -4z = -100
x -6y + 0 =  50
--------------------
Use any method to solve the system to get:
x = 800
y = 125
z = 225
=================
Cheers,
Stan H.