n+n+21+n+48=168

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Solution for n+n+21+n+48=168 equation:


Simplifying
n + n + 21 + n + 48 = 168

Reorder the terms:
21 + 48 + n + n + n = 168

Combine like terms: 21 + 48 = 69
69 + n + n + n = 168

Combine like terms: n + n = 2n
69 + 2n + n = 168

Combine like terms: 2n + n = 3n
69 + 3n = 168

Solving
69 + 3n = 168

Solving for variable 'n'.

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

Add '-69' to each side of the equation.
69 + -69 + 3n = 168 + -69

Combine like terms: 69 + -69 = 0
0 + 3n = 168 + -69
3n = 168 + -69

Combine like terms: 168 + -69 = 99
3n = 99

Divide each side by '3'.
n = 33

Simplifying
n = 33

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