Determine which equation below has a solution of a = 2.
a. 2a + 3a _ 6 = _21
b. 8 = 3 + 4a _ 3 _ 5a
c. _2 = 2 + 5a _ 2 _ 6a
d. _4a + 3a _ 6 = _4

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions