(2/5x)-1=7

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Solution for (2/5x)-1=7 equation: 



(2/5x)-1=7

We move all terms to the left:

(2/5x)-1-(7)=0



Domain of the equation: 5x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

(+2/5x)-1-7=0

We add all the numbers together, and all the variables

(+2/5x)-8=0

We get rid of parentheses

2/5x-8=0

We multiply all the terms by the denominator


-8*5x+2=0

Wy multiply elements

-40x+2=0

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

-40x=-2

x=-2/-40

x=1/20

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