40-5n=50-4(2n+2)

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Solution for 40-5n=50-4(2n+2) equation:


Simplifying
40 + -5n = 50 + -4(2n + 2)

Reorder the terms:
40 + -5n = 50 + -4(2 + 2n)
40 + -5n = 50 + (2 * -4 + 2n * -4)
40 + -5n = 50 + (-8 + -8n)

Combine like terms: 50 + -8 = 42
40 + -5n = 42 + -8n

Solving
40 + -5n = 42 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
40 + -5n + 8n = 42 + -8n + 8n

Combine like terms: -5n + 8n = 3n
40 + 3n = 42 + -8n + 8n

Combine like terms: -8n + 8n = 0
40 + 3n = 42 + 0
40 + 3n = 42

Add '-40' to each side of the equation.
40 + -40 + 3n = 42 + -40

Combine like terms: 40 + -40 = 0
0 + 3n = 42 + -40
3n = 42 + -40

Combine like terms: 42 + -40 = 2
3n = 2

Divide each side by '3'.
n = 0.6666666667

Simplifying
n = 0.6666666667

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