Simplify. $$\[ 3 a+7 b-4 a+b \]$$
Exam No：0580_w20_qp_21 Year：2020 Question No：1
Answer:
\(-a+8 b\) final answer
Knowledge points:
E2.1.1 Use letters to express generalised numbers and express basic arithmetic processes algebraically.
E2.1.2 Substitute numbers for words and letters in complicated formulae.
E2.1.3 Construct and rearrange complicated formulae and equations. (e.g. rearrange formulae where the subject appears twice.)
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download