jamespuzino2
jamespuzino2 jamespuzino2
  • 11-02-2020
  • Mathematics
contestada

solve the system of equations using elimination.

2y-5x=-2
3y+2x=35

i really need help!!

Respuesta :

santiagodaa
santiagodaa santiagodaa
  • 11-02-2020

Answer:

y = 16 + 3/11

x = -76/11

Step-by-step explanation:

2y - 5x = -2

3y + 2x = 35

__________

(2y - 5x = -2)*3

(3y + 2x = 35)*2

__________

6y - 15x = -6

6y +4x = 70

__________

(6y - 15x = -6) - (6y +4x = 70)

15x - 4x = -6 -70

__________

11x = -76

x = -76/11

__________

3y +2(-76/11) = 35

3y = 35 + 152/11

3y = 13 + 35 + 9/11

3y = 48 + 9/ 11

y = 16 + 3/11

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