(-2.9)=r/(-4)

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Solution for (-2.9)=r/(-4) equation: 



(-2.9)=r/(-4)

We move all terms to the left:

(-2.9)-(r/(-4))=0

We add all the numbers together, and all the variables

-(r/(-4))-2.9=0

We multiply all the terms by the denominator


-(r-(2.9)*(-4))=0



We calculate terms in parentheses: -(r-(2.9)*(-4)), so:

r-(2.9)*(-4)

We add all the numbers together, and all the variables

r+11.6

Back to the equation:

-(r+11.6)



We get rid of parentheses

-r-11.6=0

We add all the numbers together, and all the variables

-1r-11.6=0

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

-r=11.6

r=11.6/-1

r=-11+0.6/1

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