Number 69, 73, 75

In Exercises 69-78, write the slope-intercept forms of the equations of the lines through the given point (a) parallel to the given line and (b) perpendicular to the given line. Point Line 69. (2, 1) 4x - 2y = 3 70. (-3, 2) xty = 7 71. (-3, 3) 3x + 4y = 7 72. (1 3) 8, 4) 5x + 3y = 0 73. (- 1, 0) y = -3 74. (4, -2) y = 1 75. (2, 5) x = 4 5 1) x = -2