lisa896980 lisa896980
  • 25-02-2021
  • Mathematics
contestada

Solve by canceling

-5x+8y=-4
6x-8y=-12

Respuesta :

Calculus456 Calculus456
  • 25-02-2021

Step-by-step explanation:

-5x+8y=-4

6x-8y=-12   8y and 8x cancel out

         x=-16

To solve for y, substitute x=-16 back into the first equation

-5(-16)+8y=-4

    80+8y=-4

          8y=-84

            y=-10.5

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