muhanaa2006 muhanaa2006
  • 28-06-2021
  • Mathematics
contestada

x
+
5
y
=
20
x
+
3
y
=
14

Respuesta :

wolf1728
wolf1728 wolf1728
  • 28-06-2021

Answer:

A) x + 5y = 20

B) x + 3y = 14

Multiplying A) by -1

A) -x -5y = -20 then adding B)

B) x + 3y = 14

-2y = -6

y = 3

x = 5

Step-by-step explanation:

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