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 TWO UNKNOWNS
And, when y = 5:
  • 2x + 3(5) = 19
  • 2x = 4
  • x = 2
Conclusion: x = 2 and y = 5

Check:

(1) 2x + 3y = 18 →
  2(2) + 3(5) = 19
(2) 5x + 2y = 20 →
  5(2) + 2(5) = 20
When y = 5
Main Menu Audio Back Page 7 of 37 Next