25-n=18

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Solution for 25-n=18 equation: 


Simplifying
25 + -1n = 18

Solving
25 + -1n = 18

Solving for variable 'n'.

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

Add '-25' to each side of the equation.
25 + -25 + -1n = 18 + -25

Combine like terms: 25 + -25 = 0
0 + -1n = 18 + -25
-1n = 18 + -25

Combine like terms: 18 + -25 = -7
-1n = -7

Divide each side by '-1'.
n = 7

Simplifying
n = 7

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