document.write( "Question 477249: Twice a number increased by 15 equals 31. What is the numbers?
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Algebra.Com's Answer #327155 by sonya(5)![]() ![]() ![]() You can put this solution on YOUR website! Let x be the number. \n" ); document.write( "2x+15=31 \n" ); document.write( "2x=31-15 \n" ); document.write( "2x=16 \n" ); document.write( "x=16/2 \n" ); document.write( "x=8 \n" ); document.write( "The number is 8. \n" ); document.write( " |