document.write( "Question 1080940: The 3rd,5th and 8thterma of an Arithmetic progression are 3x+8,x+24 and x^3+15 respectively.
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Algebra.Com's Answer #695044 by josgarithmetic(39618)\"\" \"About 
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d, unknown common difference between terms\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x%2B24-3x-8=2d%2Cx%5E3%2B15-x-24=3d%2Cx%5E3%2B15-3x-8=5d%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28-2x%2B16=2d%2Cx%5E3-x-9=3d%2Cx%5E3-3x%2B7=5d%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%288-x=d%29\"------substitute for d in the other two equations, and try to solve for x in each.\r
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