document.write( "Question 56880: SOLVE THE SYSTEM BY GRAPHING
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document.write( "X+Y=4
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document.write( "-X+Y=2\r
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document.write( "ANY AND ALL ASSISTANCE WOULD BE SO GRATEFUL..PLEASE \n" );
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Algebra.Com's Answer #38650 by funmath(2933)![]() ![]() ![]() You can put this solution on YOUR website! SOLVE THE SYSTEM BY GRAPHING \n" ); document.write( "L1) X+Y=4 \n" ); document.write( "L2) -X+Y=2 \n" ); document.write( "For L1, graph using the intercept method: \n" ); document.write( "Let x=0, then solve for y: \n" ); document.write( "0+y=4 \n" ); document.write( "y=4 \n" ); document.write( "Plot (0,4) (this is the y-intercept) \n" ); document.write( "Then let y=0 and solve for x: \n" ); document.write( "x+0=4 \n" ); document.write( "x=4 \n" ); document.write( "Plot (4,0) (this is the x-intercept) \n" ); document.write( "Connect the points and you have a line: \n" ); document.write( " \n" ); document.write( "For L2, graph using the intercept method: \n" ); document.write( "Let x=0 and solve for y: \n" ); document.write( "-(0)+y=2 \n" ); document.write( "y=2 \n" ); document.write( "Plot (0,2) this is your y-intercept. \n" ); document.write( "Let y=0 and solve for x: \n" ); document.write( "-x+0=2 \n" ); document.write( "-x=2 \n" ); document.write( "-(-x)=-(2) \n" ); document.write( "x=2 \n" ); document.write( "Plot (2,0) this is your x-intercept. \n" ); document.write( "Connect your points and you have a second line: \n" ); document.write( " \n" ); document.write( "The lines intersect at (1,3), therefore your solution is (1,3) \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " |