-4(r+5)=-66

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Solution for -4(r+5)=-66 equation: 



-4(r+5)=-66

We move all terms to the left:

-4(r+5)-(-66)=0

We add all the numbers together, and all the variables

-4(r+5)+66=0

We multiply parentheses

-4r-20+66=0

We add all the numbers together, and all the variables

-4r+46=0

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

-4r=-46

r=-46/-4

r=11+1/2

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