Mondrea J.

asked • 04/25/14

solve. What does w equal

log7(w2)+2log7(5w)=2

1 Expert Answer

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Roman C. answered • 04/25/14

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log7(w2) + 2log7(5w) = 2
 
2log7w + 2log7(5w)=2
 
log7w + log7(5w)=1
 
log7(5w2)=1
 
5w2=7
 
w=±√(7/5)
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Philip P.

tutor
Hi Roman.
 
log(a) + log (b) = log(ab), not log (a+b).
 
v/r, Phil
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04/26/14

Roman C.

tutor
You are right. I'm fixing it.
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04/26/14

Royal B.

Cool
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03/15/21

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