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42/100x=22
We move all terms to the left:
42/100x-(22)=0
Domain of the equation: 100x!=0We multiply all the terms by the denominator
x!=0/100
x!=0
x∈R
-22*100x+42=0
Wy multiply elements
-2200x+42=0
We move all terms containing x to the left, all other terms to the right
-2200x=-42
x=-42/-2200
x=21/1100
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