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4/5x-8=-1
We move all terms to the left:
4/5x-8-(-1)=0
Domain of the equation: 5x!=0We add all the numbers together, and all the variables
x!=0/5
x!=0
x∈R
4/5x-7=0
We multiply all the terms by the denominator
-7*5x+4=0
Wy multiply elements
-35x+4=0
We move all terms containing x to the left, all other terms to the right
-35x=-4
x=-4/-35
x=4/35
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