document.write( "Question 901171: I have to solve the systems of equations by elimination and I don't understand how to solve by elimination? Can you please help me?
\n" ); document.write( "-3x+y=7
\n" ); document.write( "3x+2y=2
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Algebra.Com's Answer #546509 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
-3x+y=7
\n" ); document.write( "3x+2y=2
\n" ); document.write( "add them
\n" ); document.write( "3y=9
\n" ); document.write( "y=3\r
\n" ); document.write( "\n" ); document.write( "take it from there
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