18-r=-7(-8-6r)-5r

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Solution for 18-r=-7(-8-6r)-5r equation: 



18-r=-7(-8-6r)-5r

We move all terms to the left:

18-r-(-7(-8-6r)-5r)=0

We add all the numbers together, and all the variables

-r-(-7(-6r-8)-5r)+18=0

We add all the numbers together, and all the variables

-1r-(-7(-6r-8)-5r)+18=0



We calculate terms in parentheses: -(-7(-6r-8)-5r), so:

-7(-6r-8)-5r

We add all the numbers together, and all the variables

-5r-7(-6r-8)

We multiply parentheses

-5r+42r+56

We add all the numbers together, and all the variables

37r+56

Back to the equation:

-(37r+56)



We get rid of parentheses

-1r-37r-56+18=0

We add all the numbers together, and all the variables

-38r-38=0

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

-38r=38

r=38/-38

r=-1

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