12[3n-7]+8n=-2[4-3n]

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Solution for 12[3n-7]+8n=-2[4-3n] equation:


Simplifying
12[3n + -7] + 8n = -2[4 + -3n]

Reorder the terms:
12[-7 + 3n] + 8n = -2[4 + -3n]
[-7 * 12 + 3n * 12] + 8n = -2[4 + -3n]
[-84 + 36n] + 8n = -2[4 + -3n]

Combine like terms: 36n + 8n = 44n
-84 + 44n = -2[4 + -3n]
-84 + 44n = [4 * -2 + -3n * -2]
-84 + 44n = [-8 + 6n]

Solving
-84 + 44n = -8 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-84 + 44n + -6n = -8 + 6n + -6n

Combine like terms: 44n + -6n = 38n
-84 + 38n = -8 + 6n + -6n

Combine like terms: 6n + -6n = 0
-84 + 38n = -8 + 0
-84 + 38n = -8

Add '84' to each side of the equation.
-84 + 84 + 38n = -8 + 84

Combine like terms: -84 + 84 = 0
0 + 38n = -8 + 84
38n = -8 + 84

Combine like terms: -8 + 84 = 76
38n = 76

Divide each side by '38'.
n = 2

Simplifying
n = 2

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