Practice!

Sample Problem

Solve the following linear system

8x – 5y = 11

4x = 3y + 5

x = y =

Solution

4x = 3y + 5

(4x – 3y = 5) × (-2) → -8x + 6y = -10

8x – 5y = 11

-8x + 6y = -10

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y = 1

4x = 3(1) + 5

4x = 8

x = 2