3x=2.5(x-1)

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Solution for 3x=2.5(x-1) equation: 



3x=2.5(x-1)

We move all terms to the left:

3x-(2.5(x-1))=0



We calculate terms in parentheses: -(2.5(x-1)), so:

2.5(x-1)

We multiply parentheses

2.5x-2.5

Back to the equation:

-(2.5x-2.5)



We get rid of parentheses

3x-2.5x+2.5=0

We add all the numbers together, and all the variables

0.5x+2.5=0

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

0.5x=-2.5

x=-2.5/0.5

x=-5

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