-54=-42+n

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Solution for -54=-42+n equation:


Simplifying
-54 = -42 + n

Solving
-54 = -42 + 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.
-54 + -1n = -42 + n + -1n

Combine like terms: n + -1n = 0
-54 + -1n = -42 + 0
-54 + -1n = -42

Add '54' to each side of the equation.
-54 + 54 + -1n = -42 + 54

Combine like terms: -54 + 54 = 0
0 + -1n = -42 + 54
-1n = -42 + 54

Combine like terms: -42 + 54 = 12
-1n = 12

Divide each side by '-1'.
n = -12

Simplifying
n = -12

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