5(r+9)-2(1-r)=1.

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Solution for 5(r+9)-2(1-r)=1. equation: 



5(r+9)-2(1-r)=1.

We move all terms to the left:

5(r+9)-2(1-r)-(1.)=0

We add all the numbers together, and all the variables

5(r+9)-2(-1r+1)-1=0

We multiply parentheses

5r+2r+45-2-1=0

We add all the numbers together, and all the variables

7r+42=0

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

7r=-42

r=-42/7

r=-6

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