document.write( "Question 604606: Solve using the substitution method\r
\n" ); document.write( "\n" ); document.write( "3x+5y=19
\n" ); document.write( " X=33-7y\r
\n" ); document.write( "\n" ); document.write( "Having a hard time grasping the substitution method. Thanks!
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Algebra.Com's Answer #381303 by Alan3354(69443)\"\" \"About 
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Solve using the substitution method\r
\n" ); document.write( "\n" ); document.write( "3x+5y=19
\n" ); document.write( "x=33-7y
\n" ); document.write( "--------
\n" ); document.write( "The 2nd eqn is solved for x
\n" ); document.write( "Sub for x in the 1st eqn
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\n" ); document.write( "3x+5y=19
\n" ); document.write( "3(33-7y) + 5y = 19
\n" ); document.write( "Solve for y\r
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