9-5(1+r)=-1

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Solution for 9-5(1+r)=-1 equation: 



9-5(1+r)=-1

We move all terms to the left:

9-5(1+r)-(-1)=0

We add all the numbers together, and all the variables

-5(r+1)+9-(-1)=0

We add all the numbers together, and all the variables

-5(r+1)+10=0

We multiply parentheses

-5r-5+10=0

We add all the numbers together, and all the variables

-5r+5=0

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

-5r=-5

r=-5/-5

r=1

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