Question
use linear combinations to solve the system of linear equations.
2x+y=4
x-y=2
2x+y=4
x-y=2
Answers
Damon
2x+y=4
2x-2y=4
--------
3 y = 0
y = 0
x = 2
2x-2y=4
--------
3 y = 0
y = 0
x = 2