liz5890 liz5890
  • 21-10-2021
  • Mathematics
contestada


Solve the simultaneous equations
5x - 4y = 19
x + 2y = 8

Respuesta :

prissyphiri
prissyphiri prissyphiri
  • 21-10-2021

Answer:

x= 5 and y = 1.5

Step-by-step explanation:

5x -4y = 19

x + 2y = 8

let x = 8 - 2y...

5x - 4y = 19.......x = 8 -2y

5(8-2y) - 4y = 19

40 - 10y -4y= 19

40-14y = 19

-14y = 19-40

-14y = -21

y = 1.5

x = 8 - 2(1.5)

x = 8 - 3

x = 5

Thus, x is 5 and y is 1.5

Hope this helps!!!!

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