document.write( "Question 963137: solve this linear system using the method of substitution:\r
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document.write( "1/4x + 1/2y = -5/12
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document.write( "2x - y= -4/3\r
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document.write( "I try my best work , hope anyone can check and correct if I did it wrong. Thank you =)\r
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document.write( "step 1:\r
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document.write( "2x - y =-4/3
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document.write( "-y= -2x - 4/3
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document.write( "y= 2x + 4/3\r
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document.write( "Step 2:\r
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document.write( "1/4x + 1/2 (2x +4/3) = -5/12
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document.write( "1/4x + x +2/3= -5/12
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document.write( "5/4x = -5/12 - 2/3
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document.write( "5/4x = -13/12
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document.write( "x = -13/15\r
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document.write( "step 3:\r
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document.write( "2( -13/15) - y= -4/3
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document.write( "-26/15 - y = -4/3
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document.write( "-y = -4/3 +26/15
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document.write( "-y = -2/5
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document.write( "y= 2/5\r
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Algebra.Com's Answer #588412 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Sign mistake: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |