-6(1+2r)-8r=18-8r

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Solution for -6(1+2r)-8r=18-8r equation: 



-6(1+2r)-8r=18-8r

We move all terms to the left:

-6(1+2r)-8r-(18-8r)=0

We add all the numbers together, and all the variables

-6(2r+1)-8r-(-8r+18)=0

We add all the numbers together, and all the variables

-8r-6(2r+1)-(-8r+18)=0

We multiply parentheses

-8r-12r-(-8r+18)-6=0

We get rid of parentheses

-8r-12r+8r-18-6=0

We add all the numbers together, and all the variables

-12r-24=0

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

-12r=24

r=24/-12

r=-2

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