-1=3/2r+5

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



-1=3/2r+5

We move all terms to the left:

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



Domain of the equation: 2r+5)!=0

r∈R



We get rid of parentheses

-3/2r-5-1=0

We multiply all the terms by the denominator


-5*2r-1*2r-3=0

Wy multiply elements

-10r-2r-3=0

We add all the numbers together, and all the variables

-12r-3=0

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

-12r=3

r=3/-12

r=-1/4

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