mchall39 mchall39
  • 23-05-2018
  • Mathematics
contestada

What is the x-coordinate of the solution to the system of equations

5x + 8y = 16
6x - 2y = 54

Respuesta :

tramserran
tramserran tramserran
  • 23-05-2018
Use elimination method - I am eliminaing the y-variable.

1(5x + 8y = 16)    →    5x + 8y = 16
4(6x  - 2y = 54)    →  24x - 8y = 216
         Add equations: 29x       = 232
            Divide by 29:    x        = 8

Answer: x = 8

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