4/5r=-10

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Solution for 4/5r=-10 equation: 



4/5r=-10

We move all terms to the left:

4/5r-(-10)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We add all the numbers together, and all the variables

4/5r+10=0

We multiply all the terms by the denominator


10*5r+4=0

Wy multiply elements

50r+4=0

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

50r=-4

r=-4/50

r=-2/25

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