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Mathematics 13 Online
OpenStudy (anonymous):

ln(x+4)+ln5=ln7

OpenStudy (saifoo.khan):

(x+4)(5) = 7

OpenStudy (anonymous):

what does x equal? :)

OpenStudy (anonymous):

x=-4-In(5/7)

OpenStudy (anonymous):

ln(x+4)= ln7-ln5= ln(7/5) x+4=7/5 x=7/5 - 4

OpenStudy (anonymous):

all of these answers posted are equivelant

OpenStudy (anonymous):

what about -13/5

OpenStudy (anonymous):

x= (7-28)/5= -21/5

OpenStudy (anonymous):

so -21/5?

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