3.9-x/4=1.8

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Solution for 3.9-x/4=1.8 equation: 



3.9-x/4=1.8

We move all terms to the left:

3.9-x/4-(1.8)=0

We add all the numbers together, and all the variables

-x/4+2.1=0

We multiply all the terms by the denominator


-x+(2.1)*4=0

We add all the numbers together, and all the variables

-1x+8.4=0

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

-x=-8.4

x=-8.4/-1

x=8+0.4/1

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