
Substitute x = 3 in any given equations. I will do in y = - x + 1

Therefore the answer is (3,-2)
Answer is below this comment :D
D. {x | x E R} because its all real numbers
Answer:
it is a vertical line going up at -2 on the x-axis
Step-by-step explanation:
53= -19z+5+7z
53= -12z+5 (combine -19z and 7z)
48= -12z. ( subract 5 on both sides)
-4=z. (divide by -12 both sides)