show that if a is an integer then 7 divides 4a-1
Added by Kaylee R.
Step 1
We need to show that 7 divides 4a-1, which means that there exists an integer k such that 4a-1 = 7k. Show more…
Show all steps
Close
Your feedback will help us improve your experience
William Semus and 60 other Calculus 3 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
Prove that if $a$ is an integer other than $0,$ then a) 1 divides $a . \quad$ b) $a$ divides 0 .
Number Theory and Cryptography
Divisibility and Modular Arithmetic
Manisha S.
Suppose a is an integer. If 7 divides 4a, then 7 divides a.
Sri K.
Recommended Textbooks
Calculus: Early Transcendentals
Thomas Calculus
Watch the video solution with this free unlock.
EMAIL
PASSWORD