15+3/8r=-15

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Solution for 15+3/8r=-15 equation: 



15+3/8r=-15

We move all terms to the left:

15+3/8r-(-15)=0



Domain of the equation: 8r!=0

r!=0/8

r!=0

r∈R



We add all the numbers together, and all the variables

3/8r+30=0

We multiply all the terms by the denominator


30*8r+3=0

Wy multiply elements

240r+3=0

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

240r=-3

r=-3/240

r=-1/80

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