2.25(4r-4)=(-2)+10r+12

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Solution for 2.25(4r-4)=(-2)+10r+12 equation: 



2.25(4r-4)=(-2)+10r+12

We move all terms to the left:

2.25(4r-4)-((-2)+10r+12)=0

We multiply parentheses

9r-((-2)+10r+12)-9=0



We calculate terms in parentheses: -((-2)+10r+12), so:

(-2)+10r+12

determiningTheFunctionDomain
10r+12+(-2)

We add all the numbers together, and all the variables

10r+10

Back to the equation:

-(10r+10)



We get rid of parentheses

9r-10r-10-9=0

We add all the numbers together, and all the variables

-1r-19=0

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

-r=19

r=19/-1

r=-19

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