document.write( "Question 1135279: If 2^x = 4^y = 8^z and (1/2x)+(1/4y)+(1/8z)=4, find the value of x. \n" ); document.write( "
Algebra.Com's Answer #752908 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If 2^x = 4^y = 8^z and (1/2x)+(1/4y)+(1/8z)=4, find the value of x. \n" ); document.write( "-------------------------\r \n" ); document.write( "\n" ); document.write( "2^x = 2^(2y) = 2^(3z)\r \n" ); document.write( "\n" ); document.write( "x = 2y = 3z\r \n" ); document.write( "\n" ); document.write( "y = x/2\r \n" ); document.write( "\n" ); document.write( "z = x/3 \n" ); document.write( "==================== \n" ); document.write( "(1/2x)+(1/4y)+(1/8z)=4 \n" ); document.write( "Is it (1/2)x or 1/(2x) ? \n" ); document.write( "------------- \n" ); document.write( "1/(2x) + 1/(4*(x/2)) + 1/(8*(x/3)) = 4\r \n" ); document.write( "\n" ); document.write( "1/(2x) + 1/(2x) + 1/(8x/3) = 4\r \n" ); document.write( "\n" ); document.write( "1/2 + 1/2 + 3/8 = 4x\r \n" ); document.write( "\n" ); document.write( "4x = 11/8 \n" ); document.write( "x = 11/32 \n" ); document.write( " \n" ); document.write( " |