3/4x=2.1

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Solution for 3/4x=2.1 equation: 



3/4x=2.1

We move all terms to the left:

3/4x-(2.1)=0



Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We add all the numbers together, and all the variables

3/4x-2.1=0

We multiply all the terms by the denominator


-(2.1)*4x+3=0

We multiply parentheses

-8.4x+3=0

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

-8.4x=-3

x=-3/-8.4

x=3/8.4

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