Question
Which of the following are incorrect and why?$$\frac{5 a-15}{5} \text { simplifies to } a-3$$
Step 1
This gives us: $$ \frac{5(a-3)}{5} $$ Show more…
Show all steps
Your feedback will help us improve your experience
Victor Salazar and 60 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Which of the following are incorrect and why? See the Concept Check in this section. $$ \frac{5 a-15}{5} \text { simplifies to } a-3 ? $$
Rational Expressions
Rational Functions and Simplifying Rational Expressions
Explain the error made below in simplifying $\frac{15}{45}$ $$ \frac{15}{45}=\frac{3 \cdot 5}{3 \cdot 3 \cdot 5}=\frac{0}{3}=0 $$
An Introduction to Algebra
Fractions
Which of the following statements are correct/incorrect? $3 \subseteq(1,3,5) ; \quad 3 \in\{1,3,5\} ; \quad\{3\} \subseteq\{1,3,5\} ; \quad\{3\} \in\{1,3,5\} .$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD