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Look at the question! I need a answer ASAP !-example-1

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an=a1+(n−1)d

a1= first term

d= common difference = -6-0= 6


\begin{gathered} a_n=-6+6\cdot(n-1) \\ a_n=-6+6n-6 \\ a_n=-12+6n \end{gathered}

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