document.write( "Question 585749: 17-x-3 = 15-8x solve for x using logarithms \n" ); document.write( "
Algebra.Com's Answer #373474 by Edwin McCravy(20059)\"\" \"About 
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document.write( "           17-x-3 = 15-8x\r\n" );
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document.write( "      log(17-x-3) = log(16-8x)\r\n" );
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document.write( "  (-x-3)·log(17) = (-8x)·log(16)\r\n" );
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document.write( "Let log(17) = A\r\n" );
document.write( "Let log(16) = B\r\n" );
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document.write( "        (-x-3)·A = (-8x)·B\r\n" );
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document.write( "         A(-x-3) = -8Bx\r\n" );
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document.write( "        -Ax - 3A = -8Bx\r\n" );
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document.write( "       -Ax + 8Bx = 3A\r\n" );
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document.write( "      x(-A + 8B) = 3A\r\n" );
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document.write( "              x = \"3A%2F%28-A%2B8B%29\"\r\n" );
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document.write( "Replace A by log(17) = 1.230448921\r\n" );
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document.write( "Replace B by log(16) = 1.204119983\r\n" );
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document.write( "              x = \"%283%281.230448921%29%29%2F%28-1.230448921%2B8%281.204119983%29%29\" \r\n" );
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document.write( "              x = .4393147228\r\n" );
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document.write( "Edwin
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