document.write( "Question 274570: 4/7x-12=x \n" ); document.write( "
Algebra.Com's Answer #200340 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
4/7x-12=x
\n" ); document.write( "4x/7-x=12
\n" ); document.write( "(4x-7x)/7=12
\n" ); document.write( "3x/7=12
\n" ); document.write( "3x=84
\n" ); document.write( "x=84/-3
\n" ); document.write( "x=-28 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "4/7*-28-12=-28
\n" ); document.write( "4*-28/7-12=28
\n" ); document.write( "-4*4-12=28
\n" ); document.write( "-16-12=-28
\n" ); document.write( "-28=-28 \n" ); document.write( "
\n" );