answersLogoWhite

0

3X + 6 = 21

subtract 6 from each side

3X = 15

divide both sides integers by 3

X = 5

=======check

3(5) + 6 = 21

15 + 6 = 21

21 = 21

========checks

User Avatar

Wiki User

12y ago

Still curious? Ask our experts.

Chat with our AI personalities

LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve

Add your answer:

Earn +20 pts
Q: What is 3x plus 6 equals 21?
Write your answer...
Submit
Still have questions?
magnify glass
imp