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-2.2+x/6=-21.4
We move all terms to the left:
-2.2+x/6-(-21.4)=0
We add all the numbers together, and all the variables
x/6+19.2=0
We multiply all the terms by the denominator
x+(19.2)*6=0
We add all the numbers together, and all the variables
x+115.2=0
We move all terms containing x to the left, all other terms to the right
x=-115.2
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