document.write( "Question 199086: 7[2x-4-2(x+1)]=7x+3 \n" ); document.write( "
Algebra.Com's Answer #149543 by RAY100(1637)\"\" \"About 
You can put this solution on YOUR website!
Use order of operations, PEMDAS
\n" ); document.write( ".
\n" ); document.write( "7[ 2x - 4 -2(x+1)] =7x +3
\n" ); document.write( ".
\n" ); document.write( "7[ 2x -4 -2x -2)] = 7x + 3
\n" ); document.write( ".
\n" ); document.write( "7[ -6] = 7x + 3
\n" ); document.write( ".
\n" ); document.write( "-42 -3 =-45 =7x
\n" ); document.write( ".
\n" ); document.write( "-45 / 7 = x
\n" ); document.write( ".
\n" ); document.write( "check by subst into original eqn,,,,ok \n" ); document.write( "
\n" );