4.2-x/0.2-2.1=10.5

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Solution for 4.2-x/0.2-2.1=10.5 equation: 



4.2-x/0.2-2.1=10.5

We move all terms to the left:

4.2-x/0.2-2.1-(10.5)=0

We add all the numbers together, and all the variables

-x/0.2-8.4=0

We multiply all the terms by the denominator


-x-(8.4)*0.2=0

We add all the numbers together, and all the variables

-1x-1.68=0

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

-x=1.68

x=1.68/-1

x=-1+0.68/1

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