Solve the system by substitution - 4.5x-2y=-12.5

3.25x-y=-.75

-4.5x - 2y=-12.5 3.25x - y = - 75 Therefore this would be 3.25x - y=-75 dividing - 4.5x - 2y=12.5 0.72x + 2 = 6 Therefore it would be 0.72x + 2=6 Then you group like terms which is 0.72x=6-2 0.72x=4 Divide both sides by 0.72 x=0.18