1/8x+5=21

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



1/8x+5=21

We move all terms to the left:

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



Domain of the equation: 8x!=0

x!=0/8

x!=0

x∈R



We add all the numbers together, and all the variables

1/8x-16=0

We multiply all the terms by the denominator


-16*8x+1=0

Wy multiply elements

-128x+1=0

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

-128x=-1

x=-1/-128

x=1/128

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