-2-8n=-2(2n-1)-4

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Solution for -2-8n=-2(2n-1)-4 equation:


Simplifying
-2 + -8n = -2(2n + -1) + -4

Reorder the terms:
-2 + -8n = -2(-1 + 2n) + -4
-2 + -8n = (-1 * -2 + 2n * -2) + -4
-2 + -8n = (2 + -4n) + -4

Reorder the terms:
-2 + -8n = 2 + -4 + -4n

Combine like terms: 2 + -4 = -2
-2 + -8n = -2 + -4n

Add '2' to each side of the equation.
-2 + 2 + -8n = -2 + 2 + -4n

Combine like terms: -2 + 2 = 0
0 + -8n = -2 + 2 + -4n
-8n = -2 + 2 + -4n

Combine like terms: -2 + 2 = 0
-8n = 0 + -4n
-8n = -4n

Solving
-8n = -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.
-8n + 4n = -4n + 4n

Combine like terms: -8n + 4n = -4n
-4n = -4n + 4n

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

Divide each side by '-4'.
n = 0

Simplifying
n = 0

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