Need help 2x = 2(x-3)

Can someone pls ! pls answer all. no explanation needed..

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?