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OpenStudy (anonymous):
Can some solve this problem for me : 3^4x-7 = 4^2x+3 I have no idea how to do it.
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OpenStudy (amistre64):
been solved , by many people, thru many days
OpenStudy (amistre64):
those exponents? if so, group them as such
OpenStudy (amistre64):
3^a = 4^b a = b ln(4)/ln(3) might be useful
OpenStudy (amistre64):
4x - 7 = (2x+3)c 4x - 7 = 2xc+3c 4x -2xc = 7 +3c x(4 -2c) = 7 +3c x = (7 +3c)/(4 -2c)
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