document.write( "Question 21136: please find the value of s and t \r
\n" ); document.write( "\n" ); document.write( "s+2t=6
\n" ); document.write( "3s-2t=2
\n" ); document.write( "

Algebra.Com's Answer #10168 by rahman(247)\"\" \"About 
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s+2t=6
\n" ); document.write( "3s-2t=2
\n" ); document.write( "-------- +
\n" ); document.write( "4s=8
\n" ); document.write( "s=2
\n" ); document.write( "---------------
\n" ); document.write( "Substitute s = 2 to s+2t=6:
\n" ); document.write( "s+2t=6
\n" ); document.write( "2+2t=6
\n" ); document.write( "2t=6-2
\n" ); document.write( "2t=4
\n" ); document.write( "t=2
\n" ); document.write( "
\n" );