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Mathematics 8 Online
OpenStudy (anonymous):

solve for x 7^4x=415

OpenStudy (mathstudent55):

Is this the problem? |dw:1456430750529:dw|

OpenStudy (anonymous):

yes

OpenStudy (mathstudent55):

When the variable is in the exponent, it is usually a log problem. Take the log of both sides.

OpenStudy (anonymous):

so can you walk me through that please?

OpenStudy (mathstudent55):

Ok. Write the given equation. Below it, take the log of both sides.

OpenStudy (mathstudent55):

Ok so far? |dw:1456431193355:dw|

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