0.4x=(0.5x)-3

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Solution for 0.4x=(0.5x)-3 equation: 



0.4x=(0.5x)-3

We move all terms to the left:

0.4x-((0.5x)-3)=0

We add all the numbers together, and all the variables

0.4x-((+0.5x)-3)=0



We calculate terms in parentheses: -((+0.5x)-3), so:

(+0.5x)-3

We get rid of parentheses

0.5x-3

Back to the equation:

-(0.5x-3)



We get rid of parentheses

0.4x-0.5x+3=0

We add all the numbers together, and all the variables

-0.1x+3=0

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

-0.1x=-3

x=-3/-0.1

x=+30

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