Question 655738
an-20=5n what does n=?
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Post these like this:
an-20=5n

Solve for n.

Not "what does n equal?"
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an-20=5n

Solve for n
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an-20=5n
Get all the n terms on the same side
an-20=5n
an - 5n - 20 = 0
Add 20
an - 5n = 20
n*(a-5) = 20
{{{n = 20/(a-5)}}}