40-4n=-4(3n-4)

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Solution for 40-4n=-4(3n-4) equation:


Simplifying
40 + -4n = -4(3n + -4)

Reorder the terms:
40 + -4n = -4(-4 + 3n)
40 + -4n = (-4 * -4 + 3n * -4)
40 + -4n = (16 + -12n)

Solving
40 + -4n = 16 + -12n

Solving for variable 'n'.

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

Add '12n' to each side of the equation.
40 + -4n + 12n = 16 + -12n + 12n

Combine like terms: -4n + 12n = 8n
40 + 8n = 16 + -12n + 12n

Combine like terms: -12n + 12n = 0
40 + 8n = 16 + 0
40 + 8n = 16

Add '-40' to each side of the equation.
40 + -40 + 8n = 16 + -40

Combine like terms: 40 + -40 = 0
0 + 8n = 16 + -40
8n = 16 + -40

Combine like terms: 16 + -40 = -24
8n = -24

Divide each side by '8'.
n = -3

Simplifying
n = -3

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