40=4-4n

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Solution for 40=4-4n equation:


Simplifying
40 = 4 + -4n

Solving
40 = 4 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
40 + 4n = 4 + -4n + 4n

Combine like terms: -4n + 4n = 0
40 + 4n = 4 + 0
40 + 4n = 4

Add '-40' to each side of the equation.
40 + -40 + 4n = 4 + -40

Combine like terms: 40 + -40 = 0
0 + 4n = 4 + -40
4n = 4 + -40

Combine like terms: 4 + -40 = -36
4n = -36

Divide each side by '4'.
n = -9

Simplifying
n = -9

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