Verified Answer :

xSamx

\(a_n = a_1 + (n-1)d\)
\(a_1= First~number\)
\(d=Common~difference\)
\(n=Number~of~terms\)
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\(a_{25}= -7 + (25-1)(8-3)\)
\(a_{25}= 113\)

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