Angle p and angle q are supplementary. if angle p = 2x and angle q = x-3, find x

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Opposite angles in a parrellelogram are