document.write( "Question 69257: 19 solve for x: -5x/7=-10/21 \n" ); document.write( "
Algebra.Com's Answer #49309 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
-5X/7=-10/21 CROSS MULTIPLYING WE GET
\n" ); document.write( "-5X*21=-70
\n" ); document.write( "-105X=-70
\n" ); document.write( "X=-70/-105
\n" ); document.write( "X=2/3
\n" ); document.write( "PROOF
\n" ); document.write( "-5(2/3)/7=-10/21
\n" ); document.write( "(-10/3)/7=-10/21
\n" ); document.write( "(-10/3)(1/7)=-10/21
\n" ); document.write( "-10/21=-10/21
\n" ); document.write( " \n" ); document.write( "
\n" );