3x+9x=36+9x

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Solution for 3x+9x=36+9x equation: 


Simplifying
3x + 9x = 36 + 9x

Combine like terms: 3x + 9x = 12x
12x = 36 + 9x

Solving
12x = 36 + 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.
12x + -9x = 36 + 9x + -9x

Combine like terms: 12x + -9x = 3x
3x = 36 + 9x + -9x

Combine like terms: 9x + -9x = 0
3x = 36 + 0
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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