document.write( "Question 933851: Solve the system of equations by the addition method.\r
\n" ); document.write( "\n" ); document.write( "x+5y=-26
\n" ); document.write( "-6x+5y=16\r
\n" ); document.write( "\n" ); document.write( "Need some help. Thanks.
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Algebra.Com's Answer #567066 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
\"++x+%2B+5y+=+-26\"
\n" ); document.write( "\"-6x+%2B+5y+=++16\"\r
\n" ); document.write( "\n" ); document.write( "Multiply the first equation by -1 to get \"-x+-+5y+=+26\"\r
\n" ); document.write( "\n" ); document.write( "Now add
\n" ); document.write( "\"+-x+-+5y+=+26\"
\n" ); document.write( "\"-6x+%2B+5y+=+16\"
\n" ); document.write( "-------------------
\n" ); document.write( "\"-7x+%2B+0y+=+42\"
\n" ); document.write( "\"-7x+=+42\"
\n" ); document.write( "\"x+=+-6\"\r
\n" ); document.write( "\n" ); document.write( "Plug x=-6 into the first equation above and solve for y
\n" ); document.write( "\"-6+%2B+5y+=+-26\"
\n" ); document.write( "\"5y+=+-20\"
\n" ); document.write( "\"y+=+-4\"\r
\n" ); document.write( "\n" ); document.write( "Check your answer using the second equation.
\n" ); document.write( "Does \"-6%2A%28-6%29+%2B+5%2A%28-4%29+=+16\"
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