Question

R: 8x-4y+12=0 e s: 3x-y-5=0

Answer 1

8x-4y=12=0  
8x=12      
x=12-8     
x=4
 
-4y=12
y=12+4
y=16
8(12)- 4(16)+12=0
96-72=12
24=12
12/245= 1/2