document.write( "Question 23376: I have two questions I just don't get them.
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document.write( "Solve the system of linear equations by graphing: x+2y=5
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document.write( " x-y=2
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document.write( "that is the first one
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document.write( " the second one is: 4x-y=6
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document.write( " 3x+y=1\r
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document.write( "these are very hard for me please help \n" );
document.write( "
Algebra.Com's Answer #12163 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! SECOND PROBLEM IS SHOWN BELOW. \n" ); document.write( "******************************************************************************** \n" ); document.write( "SOLVE BY GRAPHING MEANS DRAW THE GRAPHS AND FIND THE 2 GRAPHS OF 2 EQUATIONS CUT EACH OTHER .THAT IS THE SOLUTION.LET ME SHOW YOU THE SECOND PROBLEM. \n" ); document.write( "4X-Y=6..OR...4X-6=Y..... \n" ); document.write( "3X+Y=1...OR....Y=1-3X......... \n" ); document.write( " LET X=...........................0......1......2........3.........4......ETC.. \n" ); document.write( "Y=4X-6..IN FIRST EQN........-6......-2.....2........6.........10.......ETC \n" ); document.write( "Y=1-3X..IN SECOND EQN.......1.......-2.....-5.......-8........-11......ETC \n" ); document.write( "THE GRAPHS WILL LOOK LIKE THIS \n" ); document.write( " \n" ); document.write( "WE FIND THAT THE TWO GRAPHS ARE CUTTING AT X=1 AND Y=-2.HENCE THAT IS THE SOLUTION..YOU CAN CHECK BACK \n" ); document.write( "EQN.I.....4X-Y=4*1-(-2)=4+ 2 = 6 ..OK \n" ); document.write( "EQN.II.....3X+Y=3*1+(-2)=3-2=1........OK. \n" ); document.write( "******************************************************************************* \n" ); document.write( "Solve the system of linear equations by graphing: x+2y=5.. \n" ); document.write( "OR 2Y=5-X..OR Y=(5-X)/2 \n" ); document.write( " x-y=2... \n" ); document.write( "OR Y=X-2 \n" ); document.write( "that is the first one \n" ); document.write( " the second one is: 4x-y=6 \n" ); document.write( " 3x+y=1\r \n" ); document.write( "\n" ); document.write( "SOLVE BY GRAPHING MEANS DRAW THE GRAPHS AND FIND THE 2 GRAPHS OF 2 EQUATIONS CUT EACH OTHER .THAT IS THE SOLUTION.LET ME SHOW YOU THE FIRST PROBLEM. THEN YOU CAN DO SECOND PROBLEM THE SAME WAY \n" ); document.write( "LET X=.........................0......1......2........3.........4......5....ETC. \n" ); document.write( "Y=(5-X)/2..IN FIRST EQN........5/2....2......3/2......1.........1/2....0...ETC \n" ); document.write( "Y=(X-2).....IN SECOND EQN.......-2....-1......0........1.........2......3...ETC \n" ); document.write( "THE GRAPHS WILL LOOK LIKE THIS \n" ); document.write( " \n" ); document.write( "WE FIND THAT THE TWO GRAPHS ARE CUTTING AT X=3 AND Y=1.HENCE THAT IS THE SOLUTION..YOU CAN CHECK BACK \n" ); document.write( "EQN.I.....X+2Y=3+2*1=3+2=5..OK \n" ); document.write( "EQN.II.....X-Y=3-1=2........OK. \n" ); document.write( " |