document.write( "Question 1016927: Solve graphically x-y=1and x+2y=7 solve simultaneously in linear equation \n" ); document.write( "
Algebra.Com's Answer #633374 by macston(5194)\"\" \"About 
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\n" ); document.write( "x-y=1 . (red line on graph)
\n" ); document.write( "x=y+1
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\n" ); document.write( "x+2y=7 . (green line on graph)
\n" ); document.write( "(y+1)+2y=7
\n" ); document.write( "3y=6
\n" ); document.write( "y=2
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\n" ); document.write( "x=y+1=2+1=3
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\n" ); document.write( "SOLUTION: (3,2)
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\n" ); document.write( "GRAPH:
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\n" ); document.write( "\"+graph%28+800%2C+800%2C+-10%2C+10%2C+-10%2C+10%2C+x-1%2C+%287-x%29%2F2%29+\"
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\n" ); document.write( "Graphic Solution: Lines intersect at (3,2)
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