4/9*x-1=-21

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Solution for 4/9*x-1=-21 equation: 



4/9x-1=-21

We move all terms to the left:

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



Domain of the equation: 9x!=0

x!=0/9

x!=0

x∈R



We add all the numbers together, and all the variables

4/9x+20=0

We multiply all the terms by the denominator


20*9x+4=0

Wy multiply elements

180x+4=0

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

180x=-4

x=-4/180

x=-1/45

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