-3(r-15)+6=9

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Solution for -3(r-15)+6=9 equation: 



-3(r-15)+6=9

We move all terms to the left:

-3(r-15)+6-(9)=0

We add all the numbers together, and all the variables

-3(r-15)-3=0

We multiply parentheses

-3r+45-3=0

We add all the numbers together, and all the variables

-3r+42=0

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

-3r=-42

r=-42/-3

r=+14

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