document.write( "Question 504257: ((3x-3)/4)+((x+54)/7)=15 \n" ); document.write( "

Algebra.Com's Answer #339551 by oberobic(2304) $\"\"$ $\"About$

You can put this solution on YOUR website!
(3x-3)/4 + (x+54)/7 = 15
\n" ); document.write( ".
\n" ); document.write( "( 7(3x-3) + 4(x+54) ) / 28 = 15
\n" ); document.write( ".
\n" ); document.write( "7(3x-3) + 4(x+54) = 28*15
\n" ); document.write( ".
\n" ); document.write( "21x -21 +4x +216 = 420
\n" ); document.write( ".
\n" ); document.write( "collect and rearrange
\n" ); document.write( ".
\n" ); document.write( "25x + 195 = 420
\n" ); document.write( ".
\n" ); document.write( "25x = 420 -195
\n" ); document.write( ".
\n" ); document.write( "25x = 225
\n" ); document.write( ".
\n" ); document.write( "x = 225/25
\n" ); document.write( ".
\n" ); document.write( "x = 9
\n" ); document.write( ".
\n" ); document.write( "Done. \n" ); document.write( "

\n" );