1. Substitute and simplify

1. If \(a\) \(=\) −3, then find the value of 8\(-a\):
 
2. If \(b\) \(=\) 13, then find the value of 8 \(+\) \(b\):
Login or Fast registration
Previous theory
Exit to the topic
Next task
Copyright © 2026 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy