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(0.8+0.7x)/x=0.86
We move all terms to the left:
(0.8+0.7x)/x-(0.86)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
(0.7x+0.8)/x-(0.86)=0
We add all the numbers together, and all the variables
(0.7x+0.8)/x-0.86=0
We multiply all the terms by the denominator
(0.7x+0.8)-(0.86)*x=0
We multiply parentheses
(0.7x+0.8)-0.86x=0
We get rid of parentheses
0.7x-0.86x+0.8=0
We add all the numbers together, and all the variables
-0.16x+0.8=0
We move all terms containing x to the left, all other terms to the right
-0.16x=-0.8
x=-0.8/-0.16
x=+5
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