document.write( "Question 1108923: If the product of a number and -5 is reduced by 7, the result is 15 less than three times the opposite of the number. Find the number. \n" ); document.write( "
Algebra.Com's Answer #723908 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If the product of a number and -5 is reduced by 7, the result is 15 less than three times the opposite of the number. Find the number. \n" ); document.write( ": \n" ); document.write( "let n = the number \n" ); document.write( "then \n" ); document.write( "-n = the opposite of the number \n" ); document.write( ": \n" ); document.write( "-5n - 7 = 3(-n) - 15 \n" ); document.write( "-5n + 3n = -15 + 7 \n" ); document.write( "-2n = -8 \n" ); document.write( "n = -8/-2 \n" ); document.write( "n = +4 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that works \n" ); document.write( "-5(4) - 7 = 3(-4) - 15 \n" ); document.write( "-20 - 7 = -12 - 15 \n" ); document.write( " |