5(r+9)=145

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Solution for 5(r+9)=145 equation: 



5(r+9)=145

We move all terms to the left:

5(r+9)-(145)=0

We multiply parentheses

5r+45-145=0

We add all the numbers together, and all the variables

5r-100=0

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

5r=100

r=100/5

r=20

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