X*6-69=X*12-9

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Solution for X*6-69=X*12-9 equation:


Simplifying
X * 6 + -69 = X * 12 + -9

Reorder the terms for easier multiplication:
6X + -69 = X * 12 + -9

Reorder the terms:
-69 + 6X = X * 12 + -9

Reorder the terms for easier multiplication:
-69 + 6X = 12X + -9

Reorder the terms:
-69 + 6X = -9 + 12X

Solving
-69 + 6X = -9 + 12X

Solving for variable 'X'.

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

Add '-12X' to each side of the equation.
-69 + 6X + -12X = -9 + 12X + -12X

Combine like terms: 6X + -12X = -6X
-69 + -6X = -9 + 12X + -12X

Combine like terms: 12X + -12X = 0
-69 + -6X = -9 + 0
-69 + -6X = -9

Add '69' to each side of the equation.
-69 + 69 + -6X = -9 + 69

Combine like terms: -69 + 69 = 0
0 + -6X = -9 + 69
-6X = -9 + 69

Combine like terms: -9 + 69 = 60
-6X = 60

Divide each side by '-6'.
X = -10

Simplifying
X = -10

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