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3/8x=2100
We move all terms to the left:
3/8x-(2100)=0
Domain of the equation: 8x!=0We multiply all the terms by the denominator
x!=0/8
x!=0
x∈R
-2100*8x+3=0
Wy multiply elements
-16800x+3=0
We move all terms containing x to the left, all other terms to the right
-16800x=-3
x=-3/-16800
x=1/5600
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