x+x-15+0,5(x-15)=3(x-15)

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Solution for x+x-15+0,5(x-15)=3(x-15) equation: 



x+x-15+0.5(x-15)=3(x-15)

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x+0.5(x-15)-(3(x-15))-15=0

We multiply parentheses

2x+0.5x-(3(x-15))-7.5-15=0



We calculate terms in parentheses: -(3(x-15)), so:

3(x-15)

We multiply parentheses

3x-45

Back to the equation:

-(3x-45)



We add all the numbers together, and all the variables

2.5x-(3x-45)-22.5=0

We get rid of parentheses

2.5x-3x+45-22.5=0

We add all the numbers together, and all the variables

-0.5x+22.5=0

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

-0.5x=-22.5

x=-22.5/-0.5

x=+45

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