39=n+40

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Solution for 39=n+40 equation:


Simplifying
39 = n + 40

Reorder the terms:
39 = 40 + n

Solving
39 = 40 + 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.
39 + -1n = 40 + n + -1n

Combine like terms: n + -1n = 0
39 + -1n = 40 + 0
39 + -1n = 40

Add '-39' to each side of the equation.
39 + -39 + -1n = 40 + -39

Combine like terms: 39 + -39 = 0
0 + -1n = 40 + -39
-1n = 40 + -39

Combine like terms: 40 + -39 = 1
-1n = 1

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

Simplifying
n = -1

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