document.write( "Question 120189: Use substitution or elimination to solve each system of equations.\r
\n" ); document.write( "\n" ); document.write( "7.) 2x + 5y=16 \n" ); document.write( "

Algebra.Com's Answer #88069 by jim_thompson5910(35256) $\"\"$ $\"About$

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You need at least two equations to have a system of equations. So double check your book. \n" ); document.write( "

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