Question

2-3x + y = 12
-y + 9x = 0

Answer 1

Respuesta:

x=5/3

y= 15

Explicación paso a paso:

2-3x + y = 12

-y + 9x = 0

3(2-3x + y = 12)

-y + 9x = 0

6-9x+3y=36

+9x-y=0

6+2y=36

2y= 36-6

2y=30

y=30/2=15 y=15

-y+9x=0

-15+9x=0

9x=15

x=15/9= 5/3 x=5/3