1. The problem statement, all variables and given/known data This is a problem in differential equations. Find the operational determinant and solve the equation. x'= 4x + y + 2t y' = -2x + y 2. Relevant equations 3. The attempt at a solution I'm at a total loss. All the examples in the book have problems with the form: (D - 4)x + 3y = 0 -6x + (D + 7)y = 0 Nothing like what I have, and certainly nothing with x,y, AND t. That t really throws me off.