4. |f x=4ï+2j−k¸ y=−3i+5j+4k, and z=-i-j+2k, determine 2x+4y-z| 5. Determine an equation for the line that has the same x- and z-intercepts as the plane with equation 2x+5y-z+7=0. Give your answer in vector form. 6. Determine the equation of the line, in vector form, that intersects the two planes created by the following: 1 x-y+z3 22x+2y-2z = 3