document.write( "Question 231581: Write an equation:\r
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document.write( "1. The sum of half of a number and 8 less than the number is 25.\r
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document.write( "n + (n-8) = 25 (?)\r
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document.write( "2. A triangle has two sides equal in length and a third side 5 in. longer than half the length of each of the other two sides. If the perimeter of the triangle is 50 in., how long is each side?\r
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document.write( "2x + (x + 5) = 50 (?) \n" );
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Algebra.Com's Answer #171352 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1. The sum of half of a number and 8 less than the number is 25. \n" ); document.write( "Let the number be \"x\": \n" ); document.write( "Equation: \n" ); document.write( "(1/2)x + (x-8) = 25 \n" ); document.write( "Multiply thru by 2 to get rid of the fraction: \n" ); document.write( "x + 2x-16 = 50 \n" ); document.write( "3x = 66 \n" ); document.write( "x = 22 \n" ); document.write( "----------------------------------- \n" ); document.write( " \n" ); document.write( "2. A triangle has two sides equal in length and a third side 5 in. longer than half the length of each of the other two sides. If the perimeter of the triangle is 50 in., how long is each side? \n" ); document.write( "---- \n" ); document.write( "Equation:\r \n" ); document.write( "\n" ); document.write( "2x + ((x/2 + 5) = 50 \n" ); document.write( "2x + x/2 + 5 = 50 \n" ); document.write( "(5/2)x = 45 \n" ); document.write( "x = (2/5)45 \n" ); document.write( "x = 18 (length of each of the equal sides) \n" ); document.write( "(x/2) + 5 = 9+5 = 14 (length of the 3rd side. \n" ); document.write( "=============================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |