[12+4x]=8

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Solution for [12+4x]=8 equation: 


Simplifying
[12 + 4x] = 8

Remove brackets around [12 + 4x]
12 + 4x = 8

Solving
12 + 4x = 8

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 8 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 8 + -12
4x = 8 + -12

Combine like terms: 8 + -12 = -4
4x = -4

Divide each side by '4'.
x = -1

Simplifying
x = -1

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