3n-4=4(n-1)-8

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Solution for 3n-4=4(n-1)-8 equation:


Simplifying
3n + -4 = 4(n + -1) + -8

Reorder the terms:
-4 + 3n = 4(n + -1) + -8

Reorder the terms:
-4 + 3n = 4(-1 + n) + -8
-4 + 3n = (-1 * 4 + n * 4) + -8
-4 + 3n = (-4 + 4n) + -8

Reorder the terms:
-4 + 3n = -4 + -8 + 4n

Combine like terms: -4 + -8 = -12
-4 + 3n = -12 + 4n

Solving
-4 + 3n = -12 + 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.
-4 + 3n + -4n = -12 + 4n + -4n

Combine like terms: 3n + -4n = -1n
-4 + -1n = -12 + 4n + -4n

Combine like terms: 4n + -4n = 0
-4 + -1n = -12 + 0
-4 + -1n = -12

Add '4' to each side of the equation.
-4 + 4 + -1n = -12 + 4

Combine like terms: -4 + 4 = 0
0 + -1n = -12 + 4
-1n = -12 + 4

Combine like terms: -12 + 4 = -8
-1n = -8

Divide each side by '-1'.
n = 8

Simplifying
n = 8

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