document.write( "Question 116332This question is from textbook
\n" ); document.write( ": solve.
\n" ); document.write( "{5x+ 2y=28 and 3x-4y=48
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Algebra.Com's Answer #84610 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "solve:
\n" ); document.write( "\"5x+%2B+2y+=+28\"....(1).........multiply by \"2\"
\n" ); document.write( "\"3x+-4y+=+48\"......(2)..
\n" ); document.write( "---------------\r
\n" ); document.write( "\n" ); document.write( "\"10x+%2B+4y+=+56\"..........add (1) and (2)
\n" ); document.write( "+\"3x+-+4y+=+48\"
\n" ); document.write( "---------------------\r
\n" ); document.write( "\n" ); document.write( "\"10x+%2B+3x+%2B+4y+-4y+=+56+%2B+48\"\r
\n" ); document.write( "\n" ); document.write( "\"13x+=+104\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+104%2F13\"\r
\n" ); document.write( "\n" ); document.write( "\"+x+=+8\"\r
\n" ); document.write( "\n" ); document.write( "now eather from (1) or (2) find \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"10x+%2B+4y+=+56\"..........(1)........move \"10x\" to the right\r
\n" ); document.write( "\n" ); document.write( "\"+4y+=+56+-+10x\"..........plug in \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"+4y+=+56+-+10%2A8\"..........\r
\n" ); document.write( "\n" ); document.write( "\"+4y+=+56+-+80\"..........\r
\n" ); document.write( "\n" ); document.write( "\"+4y+=++-+24\"..........divide by \"4\"\r
\n" ); document.write( "\n" ); document.write( "\"+y+=+-+24%2F4\"..........\r
\n" ); document.write( "\n" ); document.write( "\"+y+=+-+6\".......................solution\r
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"+x+=+8\"\r
\n" ); document.write( "\n" ); document.write( "\"+y+=+-+6\"\r
\n" ); document.write( "\n" ); document.write( "\"5x+%2B+2y+=+28\"....(1).........plug in \"x\" and \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2B8+%2B+2%28-6%29+=+28\"\r
\n" ); document.write( "\n" ); document.write( "\"40+-+12+=+28\"
\n" ); document.write( "\"28+=+28\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%2A8+-4%28-6%29+=+48\"......(2)..\r
\n" ); document.write( "\n" ); document.write( "\"24+%2B+24+=+48\"
\n" ); document.write( "\"48+=+48\"\r
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