7.5=3(x-1)

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Solution for 7.5=3(x-1) equation: 



7.5=3(x-1)

We move all terms to the left:

7.5-(3(x-1))=0



We calculate terms in parentheses: -(3(x-1)), so:

3(x-1)

We multiply parentheses

3x-3

Back to the equation:

-(3x-3)



We get rid of parentheses

-3x+3+7.5=0

We add all the numbers together, and all the variables

-3x+10.5=0

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

-3x=-10.5

x=-10.5/-3

x=3+1/2

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