Answer:
x + y = -3.
Step-by-step explanation:
x + y = 2
y = -x + 2
- the slope of this line is -1 . The line parallel to it will also have a slope of -1.
It also passes through (-7,4) so we have
y - 4 = -1(x - -7)
y - 4 = -1(x + 7)
y - 4 = -x - 7
x + y = -3 is the required equation.
