40-6r=-4(6r+5)-2r

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Solution for 40-6r=-4(6r+5)-2r equation: 



40-6r=-4(6r+5)-2r

We move all terms to the left:

40-6r-(-4(6r+5)-2r)=0



We calculate terms in parentheses: -(-4(6r+5)-2r), so:

-4(6r+5)-2r

We add all the numbers together, and all the variables

-2r-4(6r+5)

We multiply parentheses

-2r-24r-20

We add all the numbers together, and all the variables

-26r-20

Back to the equation:

-(-26r-20)



We get rid of parentheses

-6r+26r+20+40=0

We add all the numbers together, and all the variables

20r+60=0

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

20r=-60

r=-60/20

r=-3

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