2/7x+13=21

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Solution for 2/7x+13=21 equation: 



2/7x+13=21

We move all terms to the left:

2/7x+13-(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

2/7x-8=0

We multiply all the terms by the denominator


-8*7x+2=0

Wy multiply elements

-56x+2=0

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

-56x=-2

x=-2/-56

x=1/28

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