139-3X=5X+9

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Solution for 139-3X=5X+9 equation:


Simplifying
139 + -3X = 5X + 9

Reorder the terms:
139 + -3X = 9 + 5X

Solving
139 + -3X = 9 + 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
139 + -3X + -5X = 9 + 5X + -5X

Combine like terms: -3X + -5X = -8X
139 + -8X = 9 + 5X + -5X

Combine like terms: 5X + -5X = 0
139 + -8X = 9 + 0
139 + -8X = 9

Add '-139' to each side of the equation.
139 + -139 + -8X = 9 + -139

Combine like terms: 139 + -139 = 0
0 + -8X = 9 + -139
-8X = 9 + -139

Combine like terms: 9 + -139 = -130
-8X = -130

Divide each side by '-8'.
X = 16.25

Simplifying
X = 16.25

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