1/5x+8=21

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Solution for 1/5x+8=21 equation: 



1/5x+8=21

We move all terms to the left:

1/5x+8-(21)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We add all the numbers together, and all the variables

1/5x-13=0

We multiply all the terms by the denominator


-13*5x+1=0

Wy multiply elements

-65x+1=0

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

-65x=-1

x=-1/-65

x=1/65

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