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Mathematics 7 Online
OpenStudy (anonymous):

5^(x-1)=5^(x)-5

OpenStudy (xanthe):

Use substitution!

OpenStudy (xanthe):

Of 5^x

OpenStudy (anonymous):

plz help with the sub

OpenStudy (luigi0210):

substitution..? how would that work?

OpenStudy (anonymous):

sub will help make the equation simpler

OpenStudy (xanthe):

Sorry I did another method by factorising the common factor and using logs to find the power x. |dw:1368866796400:dw|

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