x=100-0,5(2x+x)

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Solution for x=100-0,5(2x+x) equation: 



x=100-0.5(2x+x)

We move all terms to the left:

x-(100-0.5(2x+x))=0

We add all the numbers together, and all the variables

x-(100-0.5(+3x))=0



We calculate terms in parentheses: -(100-0.5(+3x)), so:

100-0.5(+3x)

determiningTheFunctionDomain
-0.5(+3x)+100

We multiply parentheses

-1.5x+100

Back to the equation:

-(-1.5x+100)



We get rid of parentheses

x+1.5x-100=0

We add all the numbers together, and all the variables

2.5x-100=0

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

2.5x=100

x=100/2.5

x=40

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