document.write( "Question 1146989: Log(12)=log(x)+log(7×x) \n" ); document.write( "

Algebra.Com's Answer #768262 by ikleyn(52832) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Log(12) = log(x) + log(7×x)     (1)\r\n" );
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document.write( "I read 7×x as 7x.  Then  (1) is equivalent to\r\n" );
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document.write( "log(12) = log(x*7x)\r\n" );
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document.write( "log(12) = log(7x^2)\r\n" );
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document.write( "12 = 7x^2\r\n" );
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document.write( "x^2 = \r\n" );
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document.write( "x =  = .    \r\n" );
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document.write( "ANSWER.   x= .\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "Be aware : the \"solution\" by @josgarithmtic is TOTALLY WRONG (!)\r
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document.write( "If you are a novice at this forum, you need to know that @josgarithmetic is a \"punishement\" of this forum.\r\n" );
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document.write( "    He doesn't know Math;                                                                               (1)\r\n" );
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document.write( "    he can not read the formulation of Math problems correctly;                                         (2)\r\n" );
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document.write( "    he can not solve Math problem correctly and produces every second or third solution incorrectly;    (3)\r\n" );
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document.write( "    he can not explain the solutions in a right way.                                                    (4)\r\n" );
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document.write( "    Every day he tries to prove something to himself and to other tutors, but every time he only proves \r\n" );
document.write( "    these statements (1), (2), (3) and (4) again and again.\r\n" );
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