If 3,X,Y,18 Are In A P Find X And Y
You can create two equations in 2 variables:
x-3 = y-x and y-x = 18-y
simplify each and solve as a system of equations in
2 unknowns.
x-3 = y-x and y-x = 18-y
simplify each and solve as a system of equations in
2 unknowns.