talonlewey talonlewey
  • 19-11-2019
  • Mathematics
contestada

4x + 2y = 9
5y - 4x = 5

Respuesta :

mirjetamurselaj mirjetamurselaj
  • 19-11-2019

we sum the both rows with 1×

4×+2y+5y-4x=9+5

7y=14

y=14/7

y=2

Answer Link

Otras preguntas

Why did the Berlin Conference occur?
Who was the boy who  became king at the age of 9?
Why did the Berlin Conference occur?
Find the circumference of the circle 30m. use 3.14 for n
why did foreign powers treat the US government under the Articles of Confederation with scorn?
Why aren't all minerals gemstones?
how can paleontologists help us understand the past
Find the additive inverse of 18/23
what was the major events that led the British to defeat
Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?