3r+4=-8-(2r+5)

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Solution for 3r+4=-8-(2r+5) equation: 



3r+4=-8-(2r+5)

We move all terms to the left:

3r+4-(-8-(2r+5))=0



We calculate terms in parentheses: -(-8-(2r+5)), so:

-8-(2r+5)

determiningTheFunctionDomain
-(2r+5)-8

We get rid of parentheses

-2r-5-8

We add all the numbers together, and all the variables

-2r-13

Back to the equation:

-(-2r-13)



We get rid of parentheses

3r+2r+13+4=0

We add all the numbers together, and all the variables

5r+17=0

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

5r=-17

r=-17/5

r=-3+2/5

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