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42/5x=1
We move all terms to the left:
42/5x-(1)=0
Domain of the equation: 5x!=0We multiply all the terms by the denominator
x!=0/5
x!=0
x∈R
-1*5x+42=0
Wy multiply elements
-5x+42=0
We move all terms containing x to the left, all other terms to the right
-5x=-42
x=-42/-5
x=8+2/5
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