document.write( "Question 930787: Please help me I'm lost \r
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Algebra.Com's Answer #565280 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "Please help me I'm lost \r
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document.write( "  x + y =   4 ------- eq (i)
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document.write( " 2x + y =   5 ------- eq (ii)
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document.write( "- x - y = - 4 ------- Multiplying eq (i) by - 1 ------ eq (iii)
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document.write( "      x =   1 ------- Adding eqs (iii) & (ii)\r
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document.write( "  1 + y = 4 --------- Substituting 1 for x in eq (i)
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document.write( "      y = 4 - 1
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document.write( "      y = 3
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document.write( "You can do the check!! 
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