I think of a number multiply it by three and add four i get twenty two. a) using the statement above, form an equation. use the letter ‘x’ for the unknown number

b) solve the equation

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Can anyone explain to me how to do this? anything will .