12X-144=9X+9

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Solution for 12X-144=9X+9 equation:


Simplifying
12X + -144 = 9X + 9

Reorder the terms:
-144 + 12X = 9X + 9

Reorder the terms:
-144 + 12X = 9 + 9X

Solving
-144 + 12X = 9 + 9X

Solving for variable 'X'.

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

Add '-9X' to each side of the equation.
-144 + 12X + -9X = 9 + 9X + -9X

Combine like terms: 12X + -9X = 3X
-144 + 3X = 9 + 9X + -9X

Combine like terms: 9X + -9X = 0
-144 + 3X = 9 + 0
-144 + 3X = 9

Add '144' to each side of the equation.
-144 + 144 + 3X = 9 + 144

Combine like terms: -144 + 144 = 0
0 + 3X = 9 + 144
3X = 9 + 144

Combine like terms: 9 + 144 = 153
3X = 153

Divide each side by '3'.
X = 51

Simplifying
X = 51

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