-3(3+r)=-51

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Solution for -3(3+r)=-51 equation: 



-3(3+r)=-51

We move all terms to the left:

-3(3+r)-(-51)=0

We add all the numbers together, and all the variables

-3(r+3)-(-51)=0

We add all the numbers together, and all the variables

-3(r+3)+51=0

We multiply parentheses

-3r-9+51=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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