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jimthompson5910 (jim_thompson5910):
your first step is to move that "-9h" term over
you do this by adding 9h to both sides (since addition undoes subtraction)
to get
\[\large fg-9h=1oj\]
\[\large fg-9h+9h=1oj+9h\]
\[\large fg+0h=1oj+9h\]
\[\large fg+0=1oj+9h\]
\[\large fg=1oj+9h\]
jimthompson5910 (jim_thompson5910):
what's your next step?
OpenStudy (anonymous):
wait im confused in step 3 where di you get "0" from?
jimthompson5910 (jim_thompson5910):
-9h + 9h = 0h
since
-9 + 9 = 0
jimthompson5910 (jim_thompson5910):
and because they add to 0, the "9h" terms go away on the left side (which is what we want)
does that make sense
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OpenStudy (anonymous):
ok i get that now. i dont no what to do next
jimthompson5910 (jim_thompson5910):
fg means "f times g"
jimthompson5910 (jim_thompson5910):
what is the opposite of multiplication?
OpenStudy (anonymous):
division
jimthompson5910 (jim_thompson5910):
so that means you divide both sides by f to isolate g
\[\large fg=1oj+9h\]
\[\large \frac{fg}{f}=\frac{1oj+9h}{f}\]
\[\large \frac{1g}{1}=\frac{1oj+9h}{f}\]
\[\large 1g = \frac{1oj+9h}{f}\]
\[\large g = \frac{1oj+9h}{f}\]
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