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8/40x=7
We move all terms to the left:
8/40x-(7)=0
Domain of the equation: 40x!=0We multiply all the terms by the denominator
x!=0/40
x!=0
x∈R
-7*40x+8=0
Wy multiply elements
-280x+8=0
We move all terms containing x to the left, all other terms to the right
-280x=-8
x=-8/-280
x=1/35
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