[tex]\displaystyle\bf\\2a+6b=40\\\\2a=40-6b \ |:2\\\\a=20 \ \boxed{-3} \ \boxed{b}[/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
[tex]\displaystyle\bf\\2a+6b=40\\\\2a=40-6b \ |:2\\\\a=20 \ \boxed{-3} \ \boxed{b}[/tex]