Jane had $7 and her sister had $2. Their parents gave each of them an equal amount of money. Then, Jane had twice as much money as her sister. How much money did their parents give each of them

Answer 1

Try trial and error. What do you find?

Answer 2

7 + x
2 + x

7+x = 2 (2+x)

7 + x = 4 + 2 x

x = 3

Answer 3

This still makes noooooooo sense, please, some one help!