3-2r=-5(2r+1)

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Solution for 3-2r=-5(2r+1) equation: 



3-2r=-5(2r+1)

We move all terms to the left:

3-2r-(-5(2r+1))=0



We calculate terms in parentheses: -(-5(2r+1)), so:

-5(2r+1)

We multiply parentheses

-10r-5

Back to the equation:

-(-10r-5)



We get rid of parentheses

-2r+10r+5+3=0

We add all the numbers together, and all the variables

8r+8=0

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

8r=-8

r=-8/8

r=-1

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