Equations are entered in this manner:
aX + bY + cZ = d
EXAMPLE: For the equations:
2X + 3Y + 4Z = 119
5X - 6Y + 7Z = 80
8X + 9Y + 10Z = 353
You would enter:
Equation 1) 2 3 4 119
Equation 2) 5 -6 7 80
Equation 3) 8 9 10 353
Click E N T E R for the answers:
X=12 Y=13 Z=14