n-(-13)=21

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Solution for n-(-13)=21 equation: 


Simplifying
n + -1(-13) = 21

Multiply -1 * -13
n + 13 = 21

Reorder the terms:
13 + n = 21

Solving
13 + n = 21

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + n = 21 + -13

Combine like terms: 13 + -13 = 0
0 + n = 21 + -13
n = 21 + -13

Combine like terms: 21 + -13 = 8
n = 8

Simplifying
n = 8

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