3x-4=12-4

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Solution for 3x-4=12-4 equation: 


Simplifying
3x + -4 = 12 + -4

Reorder the terms:
-4 + 3x = 12 + -4

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

Solving
-4 + 3x = 8

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 8 + 4
3x = 8 + 4

Combine like terms: 8 + 4 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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