3/4x+21=42

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Solution for 3/4x+21=42 equation: 



3/4x+21=42

We move all terms to the left:

3/4x+21-(42)=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-21=0

We multiply all the terms by the denominator


-21*4x+3=0

Wy multiply elements

-84x+3=0

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

-84x=-3

x=-3/-84

x=1/28

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