Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

7/8a=42 find a

OpenStudy (anonymous):

Multiply both side by 8/7

zepdrix (zepdrix):

I'm confused by the way you wrote it. is it \[\frac{ 7 }{ 8a }=42\] or \[\frac{ 7 }{ 8 }a=42\] ?

OpenStudy (anonymous):

the first way

OpenStudy (anonymous):

Remember: \[a^{-1} = \frac{1}{a}\]\[\left(\frac{ 1 }{ a }\right)^{-1} = a \]

OpenStudy (anonymous):

whats answer

OpenStudy (anonymous):

thank u nd no

OpenStudy (anonymous):

Do you understand?

OpenStudy (anonymous):

What don't you understand?

OpenStudy (anonymous):

what do i do to get the answer?

OpenStudy (anonymous):

your response was confusing

OpenStudy (anonymous):

You know, we want the variable a to be isolate. Multiply both sides by 8/7. Then reciprocal both sides.

OpenStudy (anonymous):

Or you can do this: |dw:1348528568141:dw|

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!