scthomas0306 scthomas0306
  • 24-02-2021
  • Mathematics
contestada

Use substitution to solve the system of equations.how many solutions are there?
1/2x-1/3y=5
X=2/3y+10

Respuesta :

thebecks
thebecks thebecks
  • 25-02-2021

Answer:

one solution

x = 0

y = -15

Step-by-step explanation:

1/2x-1/3y = 5

x = 2/3y+10

substitute x

1/2(2/3y+10)-1/3y = 5

1/3y+5-1/3y = 5

5 = 5

x = 0

-1/3y = 5

-1/3y/-1/3 = 5/-1/3

y = -15

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