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Mathematics 9 Online
OpenStudy (anonymous):

can someone please help me find the answer Solve 3^x – 4 = 7^x + 9 Answer a.x ≈ –0.04 b. x ≈ –0.39 c. x ≈ –2.59 d. x ≈ –25.86

OpenStudy (anonymous):

try graphing it and look at the approximate intersection of the graphs.. as in ^^^

OpenStudy (anonymous):

those choice are pretty much far apart so I think you can even guess/check this one.

OpenStudy (anonymous):

Is the equation supposed to be:\[3^{x-4}=7^{x+9}\]?

OpenStudy (lasttccasey):

That would make more sense probably ^

OpenStudy (anonymous):

@joemath314159 that makes way more sense http://openstudy.com/study#/updates/4fb68655e4b05565342c49b0

OpenStudy (anonymous):

Behold, the power of the parenthesis >.>

OpenStudy (lasttccasey):

Yea your missing parenthesis... but your answer is D. x ≈ –25.86

OpenStudy (lasttccasey):

This is your exact answer if it helps,

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