tn=7-n

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Solution for tn=7-n equation: 


Simplifying
tn = 7 + -1n

Solving
nt = 7 + -1n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add 'n' to each side of the equation.
n + nt = 7 + -1n + n

Combine like terms: -1n + n = 0
n + nt = 7 + 0
n + nt = 7

Reorder the terms:
-7 + n + nt = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + n + nt = 0

The solution to this equation could not be determined.

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