r+3/10=-1/10

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Solution for r+3/10=-1/10 equation: 



r+3/10=-1/10

We move all terms to the left:

r+3/10-(-1/10)=0

We get rid of parentheses

r+3/10+1/10=0

We multiply all the terms by the denominator


r*10+3+1=0

We add all the numbers together, and all the variables

r*10+4=0

Wy multiply elements

10r+4=0

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

10r=-4

r=-4/10

r=-2/5

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