Evaluate if x=13.2 and y=4.3 -x-2y
Lets substitute for each variable, then solve:-x = 13.2y = 4.3x = 13.2-13.2 - 2yy = 4.3-x - 2 · 4.3Lets solve:--13.2 - 2 × 4.3 -13.2 - (2 × 4.3)-13.2 - 8.6-21.8So, when x = 13.2 and y = 4.3, -x - 2y = -21.8Hope I helped ya!! xD