5/4x-9=12

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Solution for 5/4x-9=12 equation: 



5/4x-9=12

We move all terms to the left:

5/4x-9-(12)=0



Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We add all the numbers together, and all the variables

5/4x-21=0

We multiply all the terms by the denominator


-21*4x+5=0

Wy multiply elements

-84x+5=0

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

-84x=-5

x=-5/-84

x=5/84

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