-(-10+n)=21

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Solution for -(-10+n)=21 equation: 


Simplifying
-1(-10 + n) = 21
(-10 * -1 + n * -1) = 21
(10 + -1n) = 21

Solving
10 + -1n = 21

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + -1n = 21 + -10

Combine like terms: 10 + -10 = 0
0 + -1n = 21 + -10
-1n = 21 + -10

Combine like terms: 21 + -10 = 11
-1n = 11

Divide each side by '-1'.
n = -11

Simplifying
n = -11

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