Pls help just look at the picture's

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

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Which is the graph of the linear equation x – 2y = 6?