n-(-9)=13

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Solution for n-(-9)=13 equation: 


Simplifying
n + -1(-9) = 13

Multiply -1 * -9
n + 9 = 13

Reorder the terms:
9 + n = 13

Solving
9 + n = 13

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + n = 13 + -9

Combine like terms: 9 + -9 = 0
0 + n = 13 + -9
n = 13 + -9

Combine like terms: 13 + -9 = 4
n = 4

Simplifying
n = 4

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