Stimultaneous elimination equations

4x + 2y = 10
X+ 2y = 7

Solve 2x+y=3 x+y=5 in substitution method

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points