1/2x+6=21

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Solution for 1/2x+6=21 equation: 



1/2x+6=21

We move all terms to the left:

1/2x+6-(21)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

1/2x-15=0

We multiply all the terms by the denominator


-15*2x+1=0

Wy multiply elements

-30x+1=0

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

-30x=-1

x=-1/-30

x=1/30

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