5x+y=9
3x-y=7. how do i solve this using elimination?

Place the following steps in order to complete the square and solve the quadratic equation,

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d