141k views
5 votes
Make b the subject of the formula p=2a+b

User Saera
by
6.5k points

2 Answers

4 votes
p=2a+b
-b -b
p-b=2a
-p -p
-b=2a-p
/-1 /-1
b=-2a+p

hope this helps =)
User JP Blanco
by
6.2k points
6 votes
bring 2a to the left side by subracting 2a to the p

p-2a=b
User Tom Tregenna
by
6.6k points