Question

Solve the system using the substitution method -2x+y=5 4x-2y=5

Answer 1

$- 2x+ y = 5 \\ y = 2x + 5 \\ \\ 4x - 2(2x + 5) = 5 \\ 4x - 4x - 10 = 5 \\ - 10 = 5$
-10 does not equal 5, therefore there is no solution for this system of equations.