document.write( "Question 1067753: Question:\r
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document.write( "Solve the system of equations by elimination. Will a graph of the system have parallel, intersecting, or coinciding lines? How do you know?\r
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document.write( "4x + 3y = 5
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document.write( "2x − 5y = − 17 \n" );
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Algebra.Com's Answer #682878 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve the system of equations by elimination. Will a graph of the system have parallel, intersecting, or coinciding lines? How do you know?\r \n" ); document.write( "\n" ); document.write( "4x + 3y = 5 \n" ); document.write( "2x - 5y = -17 \n" ); document.write( "----- \n" ); document.write( "4x + 3y = 5 \n" ); document.write( "4x -10y = -34 --- 2nd eqn times 2 \n" ); document.write( "----------------- Subtract \n" ); document.write( "13y = 39 \n" ); document.write( "y = 3 \n" ); document.write( "============ \n" ); document.write( "x = -1 \n" ); document.write( "---------------------------------- \n" ); document.write( "Will a graph of the system have parallel, intersecting, or coinciding lines? \n" ); document.write( "Intersecting. \n" ); document.write( "========= \n" ); document.write( "How do you know? \n" ); document.write( "If there's a unique solution, they intersect. \n" ); document.write( "Intersection is (-1,3) \n" ); document.write( "------------ \n" ); document.write( "If the 2 graphs have different slopes, they intersect, also. \n" ); document.write( " \n" ); document.write( " |