How to solve this problem 6(x+12)

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.