Question

Solve.

Express the answer in simplest form.

Answer 1

https://static.k12.com/bank_packages/files/media/mathml_2b76221f813847d3013d13427bcb895a963816f6_1.gif

Answer 2

You want w alone on the left side.
-1/3 is being added to w.
Since 1/3 + (-1/3) = 0, you need to add 1/3 to the left side to get w alone.
The rule for an equation is that you must add the same to both sides of the equation, so add 1/3 to both sides.