Question

Solve the following equation.
u+2=4
WILL GIVE MEDAL FOR CORRECT ANSWER!!!

Answer 1

Are there choices...? Because that would just be u = 2 for 2 + 2 = 4.

Answer 2

No choices

Answer 3

u=4-2
u=2

Answer 4

Is she right?

Answer 5

yeah, she's right.
To equal 4 with a hidden number and 2, just add it against itself. Won't work for everything though.

Answer 6

Or do what she did and take the answer and subtract it (division works too) against the other given number.

Answer 7

Sorry fi that's a bit confusing.