y = -x+8 and x+y=7 OR y = -x +7
Line are parallel, both with slopes = -1
y = -x+8
y = -x+7
There is no solution
y=-x+8
x+y=7
a)(1/2,15/2)
b)system has infinitely many solutions
c)(-1/2,17/2)
d)no solutions
1 answer