Hi, 2x - By = 7 and Ax + 3y = 10 are both the same line. y = (2/B)x - 7/B and y = (-A/3)x + 10/3 Same Lines: Slopes and Intercepts are Equal⇒ B = -21/10 ⇒ AB = -6 ⇒ A = -6/B = 60/21 will leave it to Y0u to put the answers in the proper form according to instructions Important You feel comfortable with Your Calculator. Wish You the Best in your Studies.