1.) 2x +y = 3 2.) x - 2y = -1
If equation 1 is multiplied by 2 and then the equations are added, the result is

3x=2
3x=5
5x=5

Adriano loves anime and collects toys from his favorite series.each month he gains 4 toys. if adriano has 3 toys when he starts collecting, how many does he have after 4 months

Do 12/14 and 8/10 have the same value? explain your answer.

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.