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3/4x=81
We move all terms to the left:
3/4x-(81)=0
Domain of the equation: 4x!=0We multiply all the terms by the denominator
x!=0/4
x!=0
x∈R
-81*4x+3=0
Wy multiply elements
-324x+3=0
We move all terms containing x to the left, all other terms to the right
-324x=-3
x=-3/-324
x=1/108
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