Briannaojeda18 Briannaojeda18

07-02-2017
Mathematics

contestada

Solve the system of linear equations by elimination

4x+y=23. 3x - y=12

My next question (same question as above)
5x+3y=22. 5x - 2y=2

Respuesta :

MATHhuh MATHhuh

07-02-2017

5x+3y=22
5x-2y=2

-5x-3y=-22
5x-2y=2
-5y=-20
y=4

5x-8=2
5x=10
x=5
(5,4)

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