3,5+10^-6=8,988*10^9*20*10^-9*120*10^-9/r^2

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Solution for 3,5+10^-6=8,988*10^9*20*10^-9*120*10^-9/r^2 equation: 



3.5+10^-6=8.988*10^9*20*10^-9*120*10^-9/r^2

We move all terms to the left:

3.5+10^-6-(8.988*10^9*20*10^-9*120*10^-9/r^2)=0



Domain of the equation: r^2)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(8.988*10^9*20*10^-9*120*10^-9/r^2)=0

We get rid of parentheses

9/r^2-8.988*10^9*20*10^+9*120*10^=0

We multiply all the terms by the denominator


-(8.988*10^9*20*10^)*r^2+(9*120*10^)*r^2+9=0

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

-(8.988*10^9*20*10^)*r^2+(9*120*10^)*r^2=-9

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