3x-129=180

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Solution for 3x-129=180 equation: 



3x-129=180

We move all terms to the left:

3x-129-(180)=0

We add all the numbers together, and all the variables

3x-309=0

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

3x=309

x=309/3

x=103

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