-5n-2n=-21

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Solution for -5n-2n=-21 equation: 


Simplifying
-5n + -2n = -21

Combine like terms: -5n + -2n = -7n
-7n = -21

Solving
-7n = -21

Solving for variable 'n'.

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

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

Simplifying
n = 3

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