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## Sagot :

n stands for the term number, so just substitute in 1 as n. T(1)=2-7, or -5

[tex]T(n)=2-7n \\
\\
for \ n=1\\
\\
T(1)=2-7*1\\
T(1)=2-7\\
\boxed{T(1)=-5}[/tex]