4[2n-7]=12

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Solution for 4[2n-7]=12 equation: 


Simplifying
4[2n + -7] = 12

Reorder the terms:
4[-7 + 2n] = 12
[-7 * 4 + 2n * 4] = 12
[-28 + 8n] = 12

Solving
-28 + 8n = 12

Solving for variable 'n'.

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

Add '28' to each side of the equation.
-28 + 28 + 8n = 12 + 28

Combine like terms: -28 + 28 = 0
0 + 8n = 12 + 28
8n = 12 + 28

Combine like terms: 12 + 28 = 40
8n = 40

Divide each side by '8'.
n = 5

Simplifying
n = 5

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