1/7x+9=20

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Solution for 1/7x+9=20 equation: 



1/7x+9=20

We move all terms to the left:

1/7x+9-(20)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

1/7x-11=0

We multiply all the terms by the denominator


-11*7x+1=0

Wy multiply elements

-77x+1=0

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

-77x=-1

x=-1/-77

x=1/77

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