Use the given conditions to write an equation for the line in point-slope form and in slope-intercept form. Passing through (5, - 3) and perpendicular to the line whose equation is y = 7x+4 Write an equation for the line in point-slope form. (Simplify your answer. Use integers or fractions for any numbers in the equation.) Write an equation for the line in slope-intercept form. (Simplify your answer. Use integers or fractions for any numbers in the equation.)