3(2n-4)-4=20

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Solution for 3(2n-4)-4=20 equation:


Simplifying
3(2n + -4) + -4 = 20

Reorder the terms:
3(-4 + 2n) + -4 = 20
(-4 * 3 + 2n * 3) + -4 = 20
(-12 + 6n) + -4 = 20

Reorder the terms:
-12 + -4 + 6n = 20

Combine like terms: -12 + -4 = -16
-16 + 6n = 20

Solving
-16 + 6n = 20

Solving for variable 'n'.

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

Add '16' to each side of the equation.
-16 + 16 + 6n = 20 + 16

Combine like terms: -16 + 16 = 0
0 + 6n = 20 + 16
6n = 20 + 16

Combine like terms: 20 + 16 = 36
6n = 36

Divide each side by '6'.
n = 6

Simplifying
n = 6

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