1/4x+9=21

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Solution for 1/4x+9=21 equation: 



1/4x+9=21

We move all terms to the left:

1/4x+9-(21)=0



Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We add all the numbers together, and all the variables

1/4x-12=0

We multiply all the terms by the denominator


-12*4x+1=0

Wy multiply elements

-48x+1=0

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

-48x=-1

x=-1/-48

x=1/48

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