summit27 summit27
  • 06-03-2020
  • Mathematics
contestada

Solve the system of equations by substitution.
y = 5x - 11
2x + 3y = 18

Respuesta :

pinkpenquins900 pinkpenquins900
  • 06-03-2020

Answer:

x=3 y=4

Step-by-step explanation:

y=5x-11

2x+3y=28

2x+3(5x-11)=18

2x+15x-33=18

         +33  +33

2x+15x=51

17x=51

51/17=3

x=3

Plug 3 in for x to get 4 for y

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