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4/7x=77
We move all terms to the left:
4/7x-(77)=0
Domain of the equation: 7x!=0We multiply all the terms by the denominator
x!=0/7
x!=0
x∈R
-77*7x+4=0
Wy multiply elements
-539x+4=0
We move all terms containing x to the left, all other terms to the right
-539x=-4
x=-4/-539
x=4/539
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