Which is the solution set for 3x+2=14, given the replacement set (1, 2, 3, 4)? a. x = 1 b. x = 2 c. x = 3 d. x = 4 ! ( don't just rush to get the answer. take your time to figure it out . )

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.