Answer:
x=5,y=6
Step-by-step explanation:
given, 6x+2y=42................(1)
-6x+12y=42..............(2)
adding (1) and (2)
6x+2y-6x+12y=42+42
14y=84
y=[tex]\frac{84}{14}[/tex]
y=6,
y=6 put in equation (1)
6x+2times{6}=42
6x=42-12=30
x=[tex]\frac{30}{6}[/tex]
x=5