5(-1+r)=-10

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Solution for 5(-1+r)=-10 equation: 



5(-1+r)=-10

We move all terms to the left:

5(-1+r)-(-10)=0

We add all the numbers together, and all the variables

5(r-1)-(-10)=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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