document.write( "Question 641332: Five times a certain number plus ten has the same value as two times the same number
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document.write( "minus five. What is the number? \n" );
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Algebra.Com's Answer #403650 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=the number \n" ); document.write( "Now we are told that: \n" ); document.write( "5x+10=2x-5 subtract 5x from and add 5 to each side \n" ); document.write( "5x-5x+10+5=2x-5x-5+5 collect like terms \n" ); document.write( "15=-3x divide each side by -3 \n" ); document.write( "-5=x or \n" ); document.write( "x=-5 the certain number \n" ); document.write( "CK \n" ); document.write( "5*(-5)+10=2*(-5)-5 \n" ); document.write( "-25+10=-10-5 \n" ); document.write( "-15=-15\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |