72-2X=3X+9

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Solution for 72-2X=3X+9 equation:


Simplifying
72 + -2X = 3X + 9

Reorder the terms:
72 + -2X = 9 + 3X

Solving
72 + -2X = 9 + 3X

Solving for variable 'X'.

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

Add '-3X' to each side of the equation.
72 + -2X + -3X = 9 + 3X + -3X

Combine like terms: -2X + -3X = -5X
72 + -5X = 9 + 3X + -3X

Combine like terms: 3X + -3X = 0
72 + -5X = 9 + 0
72 + -5X = 9

Add '-72' to each side of the equation.
72 + -72 + -5X = 9 + -72

Combine like terms: 72 + -72 = 0
0 + -5X = 9 + -72
-5X = 9 + -72

Combine like terms: 9 + -72 = -63
-5X = -63

Divide each side by '-5'.
X = 12.6

Simplifying
X = 12.6

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