
John M. answered 01/21/20
Math Teacher/Tutor/Engineer - Your Home, Library, MainStreet or Online
Rearrange the equations:
6x+y = 12 6x + y = 12
x+4y = 2 times -6 -6x-24y=-12
adding the 2 equations together yields: -23y = 0
Then y = 0
And then x= 2