document.write( "Question 455586: i want to find out how to solve these two equations using combination\r
\n" ); document.write( "\n" ); document.write( "3x-4y=10
\n" ); document.write( "3x+6y=30
\n" ); document.write( "

Algebra.Com's Answer #312770 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
3x-4y=10
\n" ); document.write( "3x+6y=30
\n" ); document.write( "--------- Subtract
\n" ); document.write( "-10y = -20
\n" ); document.write( "Go from there.\r
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