21.2+3.8+x=180

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Solution for 21.2+3.8+x=180 equation: 



21.2+3.8+x=180

We move all terms to the left:

21.2+3.8+x-(180)=0

We add all the numbers together, and all the variables

x-155=0

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

x=155

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