Question

Encontre o valo de x e y
{ 2 x + 4 y = 16
- 3 x + 5 y = 9

Alguem me ajudar por favor!!!!

Answer 1

2x + 4y = 16 *(3)

-3x + 5y = 9 *(2)

6x + 12y = 48

-6x + 10y = 18

22y = 66

y = 66/22

y = 3

2x + 4y = 16

2x + 4*(3) = 16

2x + 12 = 16

2x = 16 - 12

2x = 4

x = 4/2

x = 2

(2, 3)