25=13-n

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Solution for 25=13-n equation:


Simplifying
25 = 13 + -1n

Solving
25 = 13 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
25 + n = 13 + -1n + n

Combine like terms: -1n + n = 0
25 + n = 13 + 0
25 + n = 13

Add '-25' to each side of the equation.
25 + -25 + n = 13 + -25

Combine like terms: 25 + -25 = 0
0 + n = 13 + -25
n = 13 + -25

Combine like terms: 13 + -25 = -12
n = -12

Simplifying
n = -12

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