document.write( "Question 321180: Bill is 1 less twice the age of his sister the *total* age of both is 26 how old is Bill? \n" ); document.write( "
Algebra.Com's Answer #230031 by ankor@dixie-net.com(22740)\"\" \"About 
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Bill is 1 less twice the age of his sister
\n" ); document.write( "b = 2s - 1
\n" ); document.write( ":
\n" ); document.write( " the *total* age of both is 26 how old is Bill?
\n" ); document.write( "b + s = 26
\n" ); document.write( ":
\n" ); document.write( "Replace b with (2s-1) from the 1st statement:
\n" ); document.write( "(2s - 1) + s = 26
\n" ); document.write( "3s = 26 + 1
\n" ); document.write( "3s = 27
\n" ); document.write( "s = \"27%2F3\"
\n" ); document.write( "s = 9
\n" ); document.write( ":
\n" ); document.write( "I'll let you figure out how old bill is.
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