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Mathematics 7 Online
OpenStudy (anonymous):

Solve for x: \[\huge \color{violet} {5^{x+1} + 5^{1-x} = 26}\]

OpenStudy (anonymous):

man use log .....

OpenStudy (anonymous):

There is no need... It is the question from Quadratic Equations..

OpenStudy (anonymous):

second way use 5^x=y

OpenStudy (anonymous):

|dw:1341428073928:dw|

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