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OpenStudy (anonymous):
solve 3^(x-1)= (1/9)
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OpenStudy (anonymous):
x = -1
OpenStudy (anonymous):
how though?
OpenStudy (anonymous):
3^(x-1)=9^-1 3^(x-1)=3^-2 compare powers x-1=-2 x=-1
OpenStudy (anonymous):
suppose equation =y....then separate x value..
OpenStudy (anonymous):
|dw:1355384999292:dw|
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