-0.4x=4/5

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Solution for -0.4x=4/5 equation: 



-0.4x=4/5

We move all terms to the left:

-0.4x-(4/5)=0

We add all the numbers together, and all the variables

-0.4x-(+4/5)=0

We get rid of parentheses

-0.4x-4/5=0

We multiply all the terms by the denominator


-(0.4x)*5-4=0

We add all the numbers together, and all the variables

-(+0.4x)*5-4=0

We multiply parentheses

-0x-4=0

We add all the numbers together, and all the variables

-1x-4=0

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

-x=4

x=4/-1

x=-4

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