Systems of Equations
Example 8
Example 8: Solving Systems
Step-by-step worked example for this lesson track.
Problem
Find x in {−3x−4y=−27−4x+3y=−11 1. Recognize Pattern
{a1x+b1y=c1a2x+b2y=c2 2. Apply Method
{−2x+2y=−2−2x−4y=−50⇒(x,y)=(9,8) 3. Conclude
(x,y)=(5,3) Final answer
(x,y)=(5,3)