4x+9x=12

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Solution for 4x+9x=12 equation: 


Simplifying
4x + 9x = 12

Combine like terms: 4x + 9x = 13x
13x = 12

Solving
13x = 12

Solving for variable 'x'.

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

Divide each side by '13'.
x = 0.9230769231

Simplifying
x = 0.9230769231

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