Resuelve: 6 (3n + 6) - 6 = -3 (n + 4)

Alake near the arctic circle is covered by a sheet of ice during the cold winter months. when spring arrives, the ice starts to melt. s(t) models the ice sheet's thickness (in meters) as a function of time tt (in weeks). s(t)=-0.25t+4

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

What is the value of x in the diagram below?