document.write( "Question 387891: Two times a first number decreased by a second number is 4. The first number increased by twice the second number is 37. Find the numbers \n" ); document.write( "
Algebra.Com's Answer #274241 by scott8148(6628)\"\" \"About 
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\"Two times a first number decreased by a second number is 4\" ___ 2f - s = 4\r
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\n" ); document.write( "\n" ); document.write( "\"The first number increased by twice the second number is 37\" ___ f + 2s = 37\r
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\n" ); document.write( "\n" ); document.write( "multiplying 1st eqn by 2 ___ 4f - 2s = 8\r
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\n" ); document.write( "\n" ); document.write( "adding 2nd eqn (eliminating s)___ 5f = 45 ___ f = 9\r
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\n" ); document.write( "\n" ); document.write( "substituting to find s ___ 2(9) - s = 4 ___ 14 = s
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