Answer:
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Step-by-step explanation:
25-16=9
9+23=32
He had 32 CDs to begin with
Answer:
Step-by-step explanation:
You have the equation .
Then, to solve for the variable from the equation you need:
Make the subtraction of the right side of the equation:
(As the denominators are 1 and , the least common denominator is )
Multiply to both sides:
Add to both sides:
And finally divide both sides by :