-30X+39=129

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Solution for -30X+39=129 equation: 


Simplifying
-30X + 39 = 129

Reorder the terms:
39 + -30X = 129

Solving
39 + -30X = 129

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 + -30X = 129 + -39

Combine like terms: 39 + -39 = 0
0 + -30X = 129 + -39
-30X = 129 + -39

Combine like terms: 129 + -39 = 90
-30X = 90

Divide each side by '-30'.
X = -3

Simplifying
X = -3

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