3(r-1)=4(r-1.5)

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Solution for 3(r-1)=4(r-1.5) equation: 



3(r-1)=4(r-1.5)

We move all terms to the left:

3(r-1)-(4(r-1.5))=0

We multiply parentheses

3r-(4(r-1.5))-3=0



We calculate terms in parentheses: -(4(r-1.5)), so:

4(r-1.5)

We multiply parentheses

4r-6

Back to the equation:

-(4r-6)



We get rid of parentheses

3r-4r+6-3=0

We add all the numbers together, and all the variables

-1r+3=0

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

-r=-3

r=-3/-1

r=+3

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