-4(r+9)=51

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Solution for -4(r+9)=51 equation: 



-4(r+9)=51

We move all terms to the left:

-4(r+9)-(51)=0

We multiply parentheses

-4r-36-51=0

We add all the numbers together, and all the variables

-4r-87=0

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

-4r=87

r=87/-4

r=-21+3/4

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