solve for w

w -8 = 9

3 answers

Try adding 8 to both sides.
could you show the formula please
There really is no formula for this.

All you must do is add 8 to both sides. What you do to one side, you must do to the other.

w-8 = 9
w-8(+8) = 9(+8)
The eights cancel out on this side. Now you are simply left with w = 17.
Make sense?