3.9=x/8

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Solution for 3.9=x/8 equation: 



3.9=x/8

We move all terms to the left:

3.9-(x/8)=0

We add all the numbers together, and all the variables

-(+x/8)+3.9=0

We get rid of parentheses

-x/8+3.9=0

We multiply all the terms by the denominator


-x+(3.9)*8=0

We add all the numbers together, and all the variables

-1x+31.2=0

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

-x=-31.2

x=-31.2/-1

x=31+0.2/1

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