Pls help I don’t understand

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit