7-3=f/2.1

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Solution for 7-3=f/2.1 equation: 



7-3=f/2.1

We move all terms to the left:

7-3-(f/2.1)=0

We add all the numbers together, and all the variables

-(+f/2.1)+7-3=0

We add all the numbers together, and all the variables

-(+f/2.1)+4=0

We get rid of parentheses

-f/2.1+4=0

We multiply all the terms by the denominator


-f+4*2.1=0

We add all the numbers together, and all the variables

-1f+8.4=0

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

-f=-8.4

f=-8.4/-1

f=8+0.4/1

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