120=(0.4x+x)

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Solution for 120=(0.4x+x) equation: 



120=(0.4x+x)

We move all terms to the left:

120-((0.4x+x))=0

We add all the numbers together, and all the variables

-((+1.4x))+120=0



We calculate terms in parentheses: -((+1.4x)), so:

(+1.4x)

We get rid of parentheses

1.4x

Back to the equation:

-(1.4x)



We add all the numbers together, and all the variables

-(+1.4x)+120=0

We get rid of parentheses

-1.4x+120=0

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

-1.4x=-120

x=-120/-1.4

x=85+1/1.4

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