Exit
   Please select section below...
Solving a System of Equations with Two Unknowns
Distance = Rate x Time Problems
Mixture Problems
Blinders
Solving a System of Equations with Three Unknowns
  SOLVING A SYSTEM OF EQUATIONS WITH THREE UNKNOWNS
Step 4:

(E4) y – 9z = 2 →
  -3(y – 9z = 2) →
  -3y + 27z = -6
(E5) 3y – 13 z = 6
-3y + 27z = -6
 3y – 13z = 6
         14z = 0 → z = 0
Eliminate the y
Main Menu Audio Back Page 33 of 37 Next