15,5+x=30.5

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Solution for 15,5+x=30.5 equation: 



15.5+x=30.5

We move all terms to the left:

15.5+x-(30.5)=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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