Briannaojeda18
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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