(05.01) Choose the correct graph of the given system of equations.

y + 2x = -1
3y - x = 4

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Twelve less than a number is at most 20