3x=(x-15)*0.5

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Solution for 3x=(x-15)*0.5 equation: 



3x=(x-15)*0.5

We move all terms to the left:

3x-((x-15)*0.5)=0



We calculate terms in parentheses: -((x-15)*0.5), so:

(x-15)*0.5

We multiply parentheses

0.5x-7.5

Back to the equation:

-(0.5x-7.5)



We get rid of parentheses

3x-0.5x+7.5=0

We add all the numbers together, and all the variables

2.5x+7.5=0

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

2.5x=-7.5

x=-7.5/2.5

x=-3

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