X-39=21+3x

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Solution for X-39=21+3x equation: 


Simplifying
X + -39 = 21 + 3x

Reorder the terms:
-39 + X = 21 + 3x

Solving
-39 + X = 21 + 3x

Solving for variable 'X'.

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

Add '39' to each side of the equation.
-39 + 39 + X = 21 + 39 + 3x

Combine like terms: -39 + 39 = 0
0 + X = 21 + 39 + 3x
X = 21 + 39 + 3x

Combine like terms: 21 + 39 = 60
X = 60 + 3x

Simplifying
X = 60 + 3x

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