3.38=1.69(r-2)

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Solution for 3.38=1.69(r-2) equation: 



3.38=1.69(r-2)

We move all terms to the left:

3.38-(1.69(r-2))=0



We calculate terms in parentheses: -(1.69(r-2)), so:

1.69(r-2)

We multiply parentheses

1.69r-3.38

Back to the equation:

-(1.69r-3.38)



We get rid of parentheses

-1.69r+3.38+3.38=0

We add all the numbers together, and all the variables

-1.69r+6.76=0

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

-1.69r=-6.76

r=-6.76/-1.69

r=+4

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