# Find the explicit formula for the following sequence 2, 4, 6, 8,...

Find the explicit formula for the following sequence 2, 4, 6, 8,...
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altistkahem
Each term is 2 greater than the term before it. Thus for any given term, ${a}_{n}$, our equation is:
${a}_{n}=2n$
We can write this in a form closer to standard, by noting that ${a}_{1}=2$, so we can make it dependent on ${a}_{1}$..
${a}_{n}={a}_{1}+2\left(n-1\right)=2+2\left(n-1\right)$

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