document.write( "Question 1123731: Find two numbers such that if 18 is added to the first number, it becomes twice the second number and if 6 is added to the second number it becomes three times the first number \n" ); document.write( "
Algebra.Com's Answer #740122 by LinnW(1048)\"\" \"About 
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f = first number
\n" ); document.write( "s = second number
\n" ); document.write( "18 + f = 2s
\n" ); document.write( "6 + s = 3f
\n" ); document.write( "subtract 6 to each side of the second equation
\n" ); document.write( "s = 3f - 6
\n" ); document.write( "substitute 3f - 6 for s in 18 + f = 2s
\n" ); document.write( "18 + f = 2(3f - 6)
\n" ); document.write( "18 + f = 6f - 12
\n" ); document.write( "add 12 to each side
\n" ); document.write( "12+18 + f = 6f - 12+12
\n" ); document.write( "30 + f = 6f
\n" ); document.write( "subtract f from each side
\n" ); document.write( "30 = 5f
\n" ); document.write( "divide each side by 5
\n" ); document.write( "6 = f
\n" ); document.write( "substitute 6 for f in s = 3f - 6
\n" ); document.write( "s = 3(6) - 6
\n" ); document.write( "s = 18 - 6
\n" ); document.write( "s = 12
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