4/5x-2/5x-13=21

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Solution for 4/5x-2/5x-13=21 equation: 



4/5x-2/5x-13=21

We move all terms to the left:

4/5x-2/5x-13-(21)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We add all the numbers together, and all the variables

4/5x-2/5x-34=0

We multiply all the terms by the denominator


-34*5x+4-2=0

We add all the numbers together, and all the variables

-34*5x+2=0

Wy multiply elements

-170x+2=0

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

-170x=-2

x=-2/-170

x=1/85

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