Question 718406
1)
6*12-y=7
72-y=7
-y=-65
y=65
(12,65)
2)
6*8-y=7
48-y=7
-y=-41
y=41
(8,41)
3)
6x--19=7
6x+19=7
6x=-12
x=-12/6
x=-2
(-2,-19)