X-128=3x

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Solution for X-128=3x equation: 


Simplifying
X + -128 = 3x

Reorder the terms:
-128 + X = 3x

Solving
-128 + X = 3x

Solving for variable 'X'.

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

Add '128' to each side of the equation.
-128 + 128 + X = 128 + 3x

Combine like terms: -128 + 128 = 0
0 + X = 128 + 3x
X = 128 + 3x

Simplifying
X = 128 + 3x

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