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25.5-x=-49.9
We move all terms to the left:
25.5-x-(-49.9)=0
We add all the numbers together, and all the variables
-1x+75.4=0
We move all terms containing x to the left, all other terms to the right
-x=-75.4
x=-75.4/-1
x=75+0.40000000000001/1
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