8=2n-4

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Solution for 8=2n-4 equation:


Simplifying
8 = 2n + -4

Reorder the terms:
8 = -4 + 2n

Solving
8 = -4 + 2n

Solving for variable 'n'.

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

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

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

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

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

Combine like terms: -4 + -8 = -12
-2n = -12

Divide each side by '-2'.
n = 6

Simplifying
n = 6

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