What is the value of 12(3x+5x) when x=7

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Solve the equation. 2x - 8(x+1)= 6(2x - 3)