15=(n-3)

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Solution for 15=(n-3) equation:


Simplifying
15 = (n + -3)

Reorder the terms:
15 = (-3 + n)

Remove parenthesis around (-3 + n)
15 = -3 + n

Solving
15 = -3 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
15 + -1n = -3 + n + -1n

Combine like terms: n + -1n = 0
15 + -1n = -3 + 0
15 + -1n = -3

Add '-15' to each side of the equation.
15 + -15 + -1n = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -1n = -3 + -15
-1n = -3 + -15

Combine like terms: -3 + -15 = -18
-1n = -18

Divide each side by '-1'.
n = 18

Simplifying
n = 18

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