How do you solve the system #2x - 15y = 33# and #-3x + 4y = - 5#?
1 Answer
Jun 28, 2015
Explanation:
(1)
(2)
Let's eliminate the
Multiply Equation (1) by 3 and Equation (2) by 2. This gives
(3)
(4)
Add Equations (3) and (4).
(5)
(6)
Substitute (6) in (2).
Check: Substitute in (2).