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2.8/x=-4.0
We move all terms to the left:
2.8/x-(-4.0)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
2.8/x-(-4)=0
We add all the numbers together, and all the variables
2.8/x+4=0
We multiply all the terms by the denominator
4*x+2.8=0
We add all the numbers together, and all the variables
4x+2.8=0
We move all terms containing x to the left, all other terms to the right
4x=-2.8
x=-2.8/4
x=-1/1.4285714285714
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