1/8x+13=21

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Solution for 1/8x+13=21 equation: 



1/8x+13=21

We move all terms to the left:

1/8x+13-(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-8=0

We multiply all the terms by the denominator


-8*8x+1=0

Wy multiply elements

-64x+1=0

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

-64x=-1

x=-1/-64

x=1/64

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