document.write( "Question 596862: use the method of substitution to solve the system of linear equations.
\n" ); document.write( "3x-y=4
\n" ); document.write( "7x-2y=12
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Algebra.Com's Answer #377922 by Alan3354(69443)\"\" \"About 
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use the method of substitution to solve the system of linear equations.
\n" ); document.write( "3x-y=4
\n" ); document.write( "7x-2y=12
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\n" ); document.write( "Look for the simplest approach.
\n" ); document.write( "Solve eqn 1 for y, then sub for y in eqn 2.
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