x+3/21=1

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Solution for x+3/21=1 equation: 



x+3/21=1

We move all terms to the left:

x+3/21-(1)=0

determiningTheFunctionDomain
x-1+3/21=0

We multiply all the terms by the denominator


x*21+3-1*21=0

We add all the numbers together, and all the variables

x*21-18=0

Wy multiply elements

21x-18=0

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

21x=18

x=18/21

x=6/7

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