document.write( "Question 484977: 11. Solve the following word problem (Hint: setup and solve a system of equations):
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document.write( "One number plus twice another number gives a sum of 42. The difference of these same two numbers equals –3.
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document.write( "Find the two numbers\r
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document.write( " a)The numbers are 12 and 15.
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document.write( " b)The numbers are 11 and 14.
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document.write( " c)The numbers are 13 and 16.
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document.write( " d)This problem has no solution.\r
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Algebra.Com's Answer #331784 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! One number plus twice another number gives a sum of 42. The difference of these same two numbers equals –3. \n" ); document.write( "Find the two numbers \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "x + 2y = 42 \n" ); document.write( "x - y = -3 \n" ); document.write( "----------------- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "3y = 45 \n" ); document.write( "y = 15 \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x - y = -3 \n" ); document.write( "x -15 = -3 \n" ); document.write( "x = 12 \n" ); document.write( "================= \n" ); document.write( "Solution: \n" ); document.write( "x = 12 ; y = 15 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--- \n" ); document.write( "a)The numbers are 12 and 15. \n" ); document.write( "b)The numbers are 11 and 14. \n" ); document.write( "c)The numbers are 13 and 16. \n" ); document.write( "d)This problem has no solution. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |