Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (anonymous):

(10b - 7) - 3(3b + 3) = -4

OpenStudy (matlee):

Do you know how to use distrubitve property

OpenStudy (anonymous):

yes

OpenStudy (matlee):

Ok First distribute -3(3b + 3)

OpenStudy (anonymous):

9b +9

OpenStudy (matlee):

Ok now combine it with the rest of the equation on the left side

OpenStudy (anonymous):

10b - 7 - 9b + 9

OpenStudy (matlee):

and take that and combine like terms

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

19b -2 is the answer I think

OpenStudy (anonymous):

Is this right

OpenStudy (matlee):

No what is 10b-9b

OpenStudy (anonymous):

1b

OpenStudy (matlee):

and -7+9

OpenStudy (anonymous):

2

OpenStudy (matlee):

So b +2 = -4 so now subrtract 2 on both sides

OpenStudy (anonymous):

-6

OpenStudy (matlee):

Ther you go ;p

OpenStudy (matlee):

B=-6

OpenStudy (anonymous):

Thanks for your help matlee

OpenStudy (matlee):

Your welcome

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!