(3x+9)129=180

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Solution for (3x+9)129=180 equation: 



(3x+9)129=180

We move all terms to the left:

(3x+9)129-(180)=0

We multiply parentheses

387x+1161-180=0

We add all the numbers together, and all the variables

387x+981=0

We move all terms containing x to the left, all other terms to the right

387x=-981

x=-981/387

x=-2+23/43

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