Question

Solve by the substitution method. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.)

2x − 4y = 40
−x + 2y = −20
(x, y) =

Answer 1

The solution to the system of equations 2x - 4y = 40 and -x + 2y = -20 is infinitely many solutions. The solution can be expressed as (x, y) = (2y + 20, y), where y can be any real number.