document.write( "Question 1084822: Y=6x+18
\n" ); document.write( "-2x+7y=6
\n" ); document.write( "Solve system using substitution
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Algebra.Com's Answer #698865 by Alan3354(69443)\"\" \"About 
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Y=6x+18
\n" ); document.write( "-2x+7y=6
\n" ); document.write( "Solve system using substitution
\n" ); document.write( "----------
\n" ); document.write( "Since y is already solved for, sub for y in the 2nd eqn.
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