4n+21=a

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Solution for 4n+21=a equation:


Simplifying
4n + 21 = a

Reorder the terms:
21 + 4n = a

Solving
21 + 4n = a

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 4n = -21 + a

Combine like terms: 21 + -21 = 0
0 + 4n = -21 + a
4n = -21 + a

Divide each side by '4'.
n = -5.25 + 0.25a

Simplifying
n = -5.25 + 0.25a

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