document.write( "Question 331800: will you show me how to work these problems out ?
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document.write( "Please , amd thank you ( :\r
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document.write( "Solve by graphing.
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document.write( "1. y=x-1
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document.write( " y=-x+7
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document.write( "2. y=4x+7
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document.write( " y=-3x
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document.write( "3. y=-3x-4
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document.write( " 3x+y=4
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document.write( "4. y=-x+2
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document.write( " 3x+3y=12
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document.write( "5. y=4x-3
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document.write( " y=-3x-3
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document.write( "6. y=3x+2
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document.write( " 2x+y=-8
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document.write( "7. x+y=2
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document.write( " y=-2x-1
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document.write( "8. 3x-6y=12
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document.write( " 2x-4y=8 \n" );
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Algebra.Com's Answer #237829 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve by graphing. \n" ); document.write( "1. y=x-1 \n" ); document.write( "y=-x+7 \n" ); document.write( "---------- \n" ); document.write( "These are linear eqns, so they're straight lines. \n" ); document.write( "Find 2 points for each eqn, then draw a line thru them. \n" ); document.write( "eg, y = x-1 \n" ); document.write( "Pick 2 values for y and find x \n" ); document.write( "x=0, y=-1 --> (0,-1) point 1 \n" ); document.write( "x=5, y=4 --> (5,4) point 2 \n" ); document.write( "Plot the 2 points, draw a line thru them. \n" ); document.write( "-------------- \n" ); document.write( "Do the same for the other equation. \n" ); document.write( "Where they intersect is the solution to the system. \n" ); document.write( " \n" ); document.write( " |