5n=2n-21

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Solution for 5n=2n-21 equation: 


Simplifying
5n = 2n + -21

Reorder the terms:
5n = -21 + 2n

Solving
5n = -21 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
5n + -2n = -21 + 2n + -2n

Combine like terms: 5n + -2n = 3n
3n = -21 + 2n + -2n

Combine like terms: 2n + -2n = 0
3n = -21 + 0
3n = -21

Divide each side by '3'.
n = -7

Simplifying
n = -7

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