42=n-9

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Solution for 42=n-9 equation:


Simplifying
42 = n + -9

Reorder the terms:
42 = -9 + n

Solving
42 = -9 + 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.
42 + -1n = -9 + n + -1n

Combine like terms: n + -1n = 0
42 + -1n = -9 + 0
42 + -1n = -9

Add '-42' to each side of the equation.
42 + -42 + -1n = -9 + -42

Combine like terms: 42 + -42 = 0
0 + -1n = -9 + -42
-1n = -9 + -42

Combine like terms: -9 + -42 = -51
-1n = -51

Divide each side by '-1'.
n = 51

Simplifying
n = 51

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