Question 690833
Use the point-slope formula.

x - (-4) = (1/7)(x-10)

x + 4 = (x/7) - (10/7)

x = (x/7) - (10/7) + 4

x - (x/7) = -(18/7)

7x - x = -18

6x = -18

x = -18/6

x = -3