document.write( "Question 269060: Solve the following equations by expressing each side as a power of the same base and then equating exponents:
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document.write( "4^(3x+5)=1/256\r
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document.write( "and \r
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document.write( "4^(x+10)=8^(x-6) \n" );
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Algebra.Com's Answer #197190 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 4^(3x+5)=1/256 \n" ); document.write( " \n" ); document.write( "3x+5 = -4 \n" ); document.write( "x = -3 \n" ); document.write( "-------- \n" ); document.write( "and \n" ); document.write( "4^(x+10)=8^(x-6) \n" ); document.write( "Change to base 2 \n" ); document.write( "2^(2x+20) = 2^(3x-18) \n" ); document.write( "You can finish it. \n" ); document.write( " \n" ); document.write( " |