document.write( "Question 1172467: he 7th term of an AP is 17 and the 13th term is 12 more than the 7th term.
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Algebra.Com's Answer #797512 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

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document.write( "Hi  
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document.write( "The 7th term of an AP is 17 and the 13th term is \"12 more than the 7th term\". 
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document.write( "find the first term:
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document.write( " \"a%5Bn%5D=a%5B1%5D%2B%28n-1%29%2Ad\"
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document.write( "\"a%5B13%5D=29+=+a%5B1%5D+%2B+12d\"
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document.write( "\"+a%5B7%5D=+17+=++a%5B1%5D+%2B+6d\"   |Subtracting 2nd EQ from 1st EQ  eliminating \"a%5B1%5D\"
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document.write( "12 = 6d
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document.write( "\"red%28d=2%29\"
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document.write( "\"17+=+a%5B1%5D+%2B+6d\" |Finding a(1)
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document.write( "\"17+=+a%5B1%5D+%2B+12\"
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document.write( "\"green%28a%5B1%5D+=+5%29\"\r
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document.write( "CHECKING our answer***
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document.write( "\"29+=+a%5B1%5D+%2B+12d\"
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document.write( "29 = 5 + 24 CHECKS!!
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document.write( "Wish You the Best in your Studies. \n" );
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