204=3x+9+3x+9-42

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Solution for 204=3x+9+3x+9-42 equation:


Simplifying
204 = 3x + 9 + 3x + 9 + -42

Reorder the terms:
204 = 9 + 9 + -42 + 3x + 3x

Combine like terms: 9 + 9 = 18
204 = 18 + -42 + 3x + 3x

Combine like terms: 18 + -42 = -24
204 = -24 + 3x + 3x

Combine like terms: 3x + 3x = 6x
204 = -24 + 6x

Solving
204 = -24 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
204 + -6x = -24 + 6x + -6x

Combine like terms: 6x + -6x = 0
204 + -6x = -24 + 0
204 + -6x = -24

Add '-204' to each side of the equation.
204 + -204 + -6x = -24 + -204

Combine like terms: 204 + -204 = 0
0 + -6x = -24 + -204
-6x = -24 + -204

Combine like terms: -24 + -204 = -228
-6x = -228

Divide each side by '-6'.
x = 38

Simplifying
x = 38

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