HELP ASAP! Which of the following equations has infinitely many real solutions?
A.
4x + 1 = x − 1
B.
4x + 1 = 4x − 1
C.
4(x − 7) = 4x + 28
D.
4(x − 7) = 4x − 28

Solve for x, y, and z. show all steps.

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.

Use the distributive law to multiply. 3(4x + 5y + 6)