document.write( "Question 670076: solve the given systems ofequations by using an appropriate algebraic method. 2x-y=7 and x+y=2 \n" ); document.write( "
Algebra.Com's Answer #416772 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( " x+y=2 0r \"y=+2-x\"
\n" ); document.write( "2x-y=7
\n" ); document.write( " 3x = 9
\n" ); document.write( " x = 3 and y = -1 \n" ); document.write( "
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