24dagkee 24dagkee
  • 11-02-2021
  • Mathematics
contestada

How do you solve this equation

2x+5y=-2

-2x-7y=6

Respuesta :

chrisbroshera1 chrisbroshera1
  • 11-02-2021
Answer: x=4, y=-2

For this system of equations, we can use the elimination method, where two variables from both equations will cancel our (in this case, 2x and -2x.

Adding the equations gives us -2y=4, where solving for y gives us -2.

Plugging -2 into any of the two equations and solving for x will result in x=4.
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