OpenStudy (anonymous):

7(f-1)=45

5 years ago
OpenStudy (jim_thompson5910):

7(f-1)=45 7f-7*1=45 ... distribute 7f - 7 = 45 what's next?

5 years ago
OpenStudy (anonymous):

so the answer is....

5 years ago
OpenStudy (anonymous):

hello

5 years ago
OpenStudy (jim_thompson5910):

what's the next step

5 years ago
OpenStudy (anonymous):

subtract 7

5 years ago
OpenStudy (jim_thompson5910):

close, but you really add 7 to both sides

5 years ago
OpenStudy (anonymous):

so now : 7f =52

5 years ago
OpenStudy (jim_thompson5910):

good

5 years ago
OpenStudy (anonymous):

divide 52 by 7 and you get....

5 years ago
OpenStudy (anonymous):

7.42857149

5 years ago
OpenStudy (jim_thompson5910):

\[\Large f = \frac{52}{7}\] or \[\Large f = 7\frac{3}{7}\] or \[\Large f \approx 7.42857142857142\]

5 years ago
OpenStudy (anonymous):

thanks a lot. :)

5 years ago
OpenStudy (jim_thompson5910):

np

5 years ago