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770/55x=42
We move all terms to the left:
770/55x-(42)=0
Domain of the equation: 55x!=0We multiply all the terms by the denominator
x!=0/55
x!=0
x∈R
-42*55x+770=0
Wy multiply elements
-2310x+770=0
We move all terms containing x to the left, all other terms to the right
-2310x=-770
x=-770/-2310
x=1/3
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