2.5/c=-4.2

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Solution for 2.5/c=-4.2 equation: 



2.5/c=-4.2

We move all terms to the left:

2.5/c-(-4.2)=0



Domain of the equation: c!=0

c∈R



We add all the numbers together, and all the variables

2.5/c+4.2=0

We multiply all the terms by the denominator


(4.2)*c+2.5=0

We multiply parentheses

4.2c+2.5=0

We move all terms containing c to the left, all other terms to the right

4.2c=-2.5

c=-2.5/4.2

c=-1/1.68

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