document.write( "Question 53173: I am having trouble solving this equation its so simple but i cant remember please help.\r
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Algebra.Com's Answer #854631 by MathTherapy(10849) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "I am having trouble solving this equation its so simple but i cant remember please help.\r\n" );
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document.write( "5x-3y=4\r\n" );
document.write( "y-x=-2\r\n" );
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document.write( "solving by substitution method please show me how to solve I am not getting the answer right.\r\n" );
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document.write( "The following response from the other person is RUBBISH!!! Hopefully, no one pays attention to it!\r\n" );
document.write( "X-Y=-2 OR X=Y-2 THEN SUBSTITUTING (Y-2) FOR X IN THE FIRST EQUATION WE GET\r\n" );
document.write( "5(Y-2)-3Y=4 OR 5Y-10-3Y=4 OR 2Y=4+10 OR 2Y=14 OR Y=14/2 OR Y=7\r\n" );
document.write( "THEN X-7=-2 OR X=-2+7 OR X=5\r\n" );
document.write( "PROOF 5(7-2)-3*7=4 OR 5*5-21=4 OR 25-21=4 OR 4=4\r\n" );
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document.write( "                5x - 3y = 4 ---- eq (i)\r\n" );
document.write( "                    y - x = - 2___y + 2 = x ---- eq (ii)\r\n" );
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document.write( "                5x - 3y = 4 ---- eq (i)\r\n" );
document.write( "      5(y + 2) - 3y = 4 ---- Substituting y + 2 for x in eq (i)\r\n" );
document.write( "       5y + 10 - 3y = 4\r\n" );
document.write( "                5y - 3y = 4 - 10\r\n" );
document.write( "                        2y = - 6\r\n" );
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document.write( "                    y + 2 = x ---- eq (ii)\r\n" );
document.write( "                 - 3 + 2 = x ---- Substituting - 3 for y in eq (ii)\r\n" );
document.write( "                        - 1 = x\r\n" );
document.write( "Solution set: \r\n" );
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document.write( "You can do the check!!

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