cvenverloh24 cvenverloh24
  • 09-12-2020
  • Mathematics
contestada

-x+5y+1
-5x+10y+20
How do I solve this system of equations algebraically and graphically?

Respuesta :

THEENESH THEENESH
  • 09-12-2020

Step-by-step explanation:

x-5y-1 =0 (1)

5x-10y-20=0 (2)

x=5y+1. (3)

(3) in (2)

5(5y+1) - 10y-20= 0

25y+5-10y-20=0

15y=15

y=1

x= 5(1)+1

= 6

x=6,y=1

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