7+4/7x=21

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Solution for 7+4/7x=21 equation: 



7+4/7x=21

We move all terms to the left:

7+4/7x-(21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

4/7x-14=0

We multiply all the terms by the denominator


-14*7x+4=0

Wy multiply elements

-98x+4=0

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

-98x=-4

x=-4/-98

x=2/49

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