document.write( "Question 171101: I've been having trouble trying to figure out this math problem. I'm really bad at math.\r
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document.write( "Find three consecutive even numbers such that the sum of the smallest and twice the second is 20 more than the third. \n" );
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Algebra.Com's Answer #126298 by scott8148(6628) You can put this solution on YOUR website! consecutive even numbers are two numbers apart -- like 2, 4, 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x=smallest, so x+2=second and x+4=third\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"the sum of the smallest and twice the second is 20 more than the third\" __ x + 2(x+2)=20+x+4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x+4=x+24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subrtacting x+4 __ 2x=20 __ x=10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the numbers are 10, 12, 14 \n" ); document.write( " |