3/7x=1-21

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Solution for 3/7x=1-21 equation: 



3/7x=1-21

We move all terms to the left:

3/7x-(1-21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

3/7x-(-20)=0

We add all the numbers together, and all the variables

3/7x+20=0

We multiply all the terms by the denominator


20*7x+3=0

Wy multiply elements

140x+3=0

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

140x=-3

x=-3/140

x=-3/140

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