(4x - 1) / 3 = 7multiply both sides by 3, eliminating the 3 on the left side 4x - 1 = 7 * 3 4x - 1 = 21 ... add 1 to both sides 4x = 21 + 1 4x = 22 x = 22/4 reduces to 11/2
Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related