0.5r+0.75=0.75(-3r-5)

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Solution for 0.5r+0.75=0.75(-3r-5) equation: 



0.5r+0.75=0.75(-3r-5)

We move all terms to the left:

0.5r+0.75-(0.75(-3r-5))=0



We calculate terms in parentheses: -(0.75(-3r-5)), so:

0.75(-3r-5)

We multiply parentheses

-2.25r-3.75

Back to the equation:

-(-2.25r-3.75)



We get rid of parentheses

0.5r+2.25r+3.75+0.75=0

We add all the numbers together, and all the variables

2.75r+4.5=0

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

2.75r=-4.5

r=-4.5/2.75

r=-1+1/1.5714285714286

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