7n=2n-20

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Solution for 7n=2n-20 equation: 


Simplifying
7n = 2n + -20

Reorder the terms:
7n = -20 + 2n

Solving
7n = -20 + 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.
7n + -2n = -20 + 2n + -2n

Combine like terms: 7n + -2n = 5n
5n = -20 + 2n + -2n

Combine like terms: 2n + -2n = 0
5n = -20 + 0
5n = -20

Divide each side by '5'.
n = -4

Simplifying
n = -4

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