Mathematics
16 Online
OpenStudy (anonymous):
What is the value of a in the equation a = 2 + 3a + 8?
10
5
−5
−10
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
@Daniellelovee
OpenStudy (anonymous):
@MathMusician
OpenStudy (anonymous):
@haleyelizabeth2017 @Janu16
OpenStudy (janu16):
ok first simplify 2+3a+8 to 3a+8
OpenStudy (janu16):
so we have a=3a+10
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
wouldn't it be 10 +3a?
OpenStudy (janu16):
do you see where i got 10 from?
OpenStudy (anonymous):
ohh lol
OpenStudy (anonymous):
yep you added them together the 8 and 2
OpenStudy (janu16):
no \[a=3a+10\]
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (janu16):
next Subtract 3a3a from both sides
OpenStudy (janu16):
i dont know hwy i wrote 3a twice so ignore
OpenStudy (anonymous):
lol
OpenStudy (anonymous):
a=10?
OpenStudy (anonymous):
idk
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (janu16):
\[a−3a=10\] what do yu get?
OpenStudy (anonymous):
so i was right... a=10?
OpenStudy (janu16):
what is a-3
OpenStudy (janu16):
no
OpenStudy (janu16):
a-3 is -2
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
idk because i dont know what a is
OpenStudy (janu16):
−2a=10
thats what we have
OpenStudy (janu16):
@77777jeannie77777 doyou understand?
OpenStudy (anonymous):
im thinking 10 is the answer i dont get the explanation!
OpenStudy (anonymous):
you have to find the value of a
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
so eiher 5 or -5
OpenStudy (janu16):
I know but you have to subtract a from 3a and when you do that you get -2a
Thats the best i can explain
OpenStudy (janu16):
When you divide 10 by -2 than its -5 so answer is -5
OpenStudy (anonymous):
okay lol sooo
OpenStudy (janu16):
hope tht helped. you were just going little ahead than me lol