−3y+4x=13 −5y−6x=−67 what is the x and y

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?