Please help if someone knows how to do this is logic:) 1. A>(B v (C&D))

2. (A&B) & (A>~A)

3. (A v B) = (~A&~B)

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)