Question 7046
y = 2x - 5     ---->(1)
y + 1 = 2(x-2)  --->(2)
solving equation (2) we get

y+1 = 2x -4
2x- y =5  --->(3)
Now substuting equation  (1) into equation(3)

2 x - (2x-5) = 5
2x - 2x +5 = 5
5=5
therefore the system is dependent.