Avi and Sergi are saving money to buy a game system. Avi has $2 more than double the amount of money Sergi has. Together, they have $40. Write an equation to determine how much money Sergi and Avi have together.

x + 2x + 2 = 40
2x + 2 = 40
x + 2x − 2 = 40
2x − 2 = 40

1 answer

2x + x = 40
3x = 40
x = 40 / 3

Avi has 40/3 dollars and takes $2 and Sergi has 40/3 dollars.