Step-by-step explanation:
- First write the given equation
- Now take all polynomials to left side.
Let's set up a formula for this, where x is the amount of dvds he started with:
x-45+10=15
x-35=15
+35 +35
x=50
He had 50 DVDs to begin with.
Check
50-45+10
=15
Answer:
B. is the answer
hope this helps
have a good day :)
Step-by-step explanation:
Their brother will be 67 years old because when they were six their brother was 3. They were three years apart.