define the variable and expression, write the equation and to solve each problem, and show your work. charts are not required but if you do not use a one you must define the variable and expression. each questions is different

WORD PROBLEMS Define the variable and expressions, write the equation and to solve each problem, and show your work. Charts are not required, BUT if you do not use a one you must define the variable and expressions. 2. Half of a number added to 7 is the same as two less than the same number. What is this number? 3. A large size SlurpeeTM costs $0.75 more than a small size one. Jane bought 5 large and 3 small Slurpees TM for $15.75. What was the cost for each size? 4. Ben has six times as many pens as Leo. If Ben gives one pen to Leo, he will have five times as many pens as Leo. How many pens did Ben start out with? 5. David is 2 years older than Matthew. 13 years ago, Matthew's age was two-thirds that of David's. Find Matthew's age now. 6. Greek God Zeus sent out two messengers in opposite directions to warn of an impending Titan attack. Zeus sent his fastest messenger south towards Sparta at 75km/h. The second messenger left at the same time and traveled north to Macedonia at 60km/h. After how many hours are the two messengers 675km apart