To simplify, you just condense all of the values with the same variable, based on the signs of those values.
In this example,
6y + 5z + 8y - 3z
is the same as
6y + 8y + 5z - 3z
which can be simplified to
14y + 2z
which is the answer to your question.
Hope that helped =)
631.72 = 33% of Realized Income
<span>631.72 / .33 = Realized Income </span>
<span>1914.30 = Realized Income</span>
