document.write( "Question 879177: Solve using substitution method
\n" ); document.write( "2x+4y=-3
\n" ); document.write( "2x-y=7
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Algebra.Com's Answer #530591 by ewatrrr(24785)\"\" \"About 
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y=\"2x-7\"
\n" ); document.write( "2x + 4(2x-7) = -3
\n" ); document.write( " 10x = 25
\n" ); document.write( " x = 2.5 and y = -2 \"2%2A2.5+-+7\"
\n" ); document.write( "Ordered pair(2.5, -2) the solution for this System
\n" ); document.write( "And...checking
\n" ); document.write( " 5 - 8 = -3
\n" ); document.write( "
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