12+9=12x-12

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Solution for 12+9=12x-12 equation:


Simplifying
12 + 9 = 12x + -12

Combine like terms: 12 + 9 = 21
21 = 12x + -12

Reorder the terms:
21 = -12 + 12x

Solving
21 = -12 + 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.
21 + -12x = -12 + 12x + -12x

Combine like terms: 12x + -12x = 0
21 + -12x = -12 + 0
21 + -12x = -12

Add '-21' to each side of the equation.
21 + -21 + -12x = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = -12 + -21
-12x = -12 + -21

Combine like terms: -12 + -21 = -33
-12x = -33

Divide each side by '-12'.
x = 2.75

Simplifying
x = 2.75

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