21n-84=210

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Solution for 21n-84=210 equation: 


Simplifying
21n + -84 = 210

Reorder the terms:
-84 + 21n = 210

Solving
-84 + 21n = 210

Solving for variable 'n'.

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

Add '84' to each side of the equation.
-84 + 84 + 21n = 210 + 84

Combine like terms: -84 + 84 = 0
0 + 21n = 210 + 84
21n = 210 + 84

Combine like terms: 210 + 84 = 294
21n = 294

Divide each side by '21'.
n = 14

Simplifying
n = 14

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