Answer:
x= -7 and y=37
Step-by-step explanation:
substitute y=-26-9x in -2x-y=12
-2x-(-26-9x)=12
-2x+26+9x=12
-2x+9x=12-26
7x= -14
x= -14/2
x= -7
substitute x=-7 in y=26-9x
y= -26-9x
y= -26-9(-7)
y= -26+63
y=37
