document.write( "Question 370395: I must solve the equation using the substitution method.\r
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document.write( "2x+y=3
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document.write( "y=5x-11\r
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document.write( "I worked the problem, but i dont know if it is correct...i solved as follows..\r
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document.write( "2x+5x-11=3
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document.write( " 7x-11=3
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document.write( " +11 +11
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document.write( " 7x = 14
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document.write( " -- --
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document.write( " 7 7
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document.write( " x = 2
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document.write( "Then I solve for y as follows:\r
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document.write( "y=5(2)-11
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document.write( "y=10-11
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document.write( "y = -1\r
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document.write( "So, my answer is (2,-1)\r
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document.write( "Is this correct??
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Algebra.Com's Answer #264026 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 2x+y=3 \n" ); document.write( "y=5x-11 \n" ); document.write( "----------- \n" ); document.write( "So, my answer is (2,-1) \n" ); document.write( "Is this correct?? \n" ); document.write( "--------------- \n" ); document.write( "As a check, see if your answer fits both equations. \n" ); document.write( "2x+y = 3 \n" ); document.write( "2*2 + (-1) =? 3 \n" ); document.write( "3 = 3 That one's good. \n" ); document.write( "------------- \n" ); document.write( "y=5x-11 \n" ); document.write( "-1 =? 5*2 - 11 \n" ); document.write( "-1 = -1 both fit, so you're correct.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |