-4(3r+4)+2r=-66

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Solution for -4(3r+4)+2r=-66 equation: 



-4(3r+4)+2r=-66

We move all terms to the left:

-4(3r+4)+2r-(-66)=0

We add all the numbers together, and all the variables

2r-4(3r+4)+66=0

We multiply parentheses

2r-12r-16+66=0

We add all the numbers together, and all the variables

-10r+50=0

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

-10r=-50

r=-50/-10

r=+5

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