20x+9x=180

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Solution for 20x+9x=180 equation: 



20x+9x=180

We move all terms to the left:

20x+9x-(180)=0

We add all the numbers together, and all the variables

29x-180=0

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

29x=180

x=180/29

x=6+6/29

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