Question

What is 9minus w = to

Answer 1

9 - w = 2 

9 - 7 = 2

If this is what you mean.

Answer 2

9-w would be the simpliest form.

But, if you meant, to= 2, then:

9-w= 2

Subtract 9 on both sides.

-w= -7

Divide by -1, since the w cannot be negative.

w= 7

We can check this by plugging it in.

9-(7)= 2
2=2 <- this works

I hope this helps! Let me know if I need to make any changes.
~kaikers