Respuesta :

Use the point-slope form of the equation of a straight line

y - y1 = m(x - x1)    here m = (2/5), x1 = 2 and y1 = -1.

y -(-1) = (2/5)(x - 2)

y + 1 = (2/5) (x - 2)

multiplying through by 5:-

5y + 5 = 2x - 4

5y = 2x - 9