7n-3n=-20

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Solution for 7n-3n=-20 equation: 


Simplifying
7n + -3n = -20

Combine like terms: 7n + -3n = 4n
4n = -20

Solving
4n = -20

Solving for variable 'n'.

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

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

Simplifying
n = -5

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