150=6(1-3r)

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Solution for 150=6(1-3r) equation: 



150=6(1-3r)

We move all terms to the left:

150-(6(1-3r))=0

We add all the numbers together, and all the variables

-(6(-3r+1))+150=0



We calculate terms in parentheses: -(6(-3r+1)), so:

6(-3r+1)

We multiply parentheses

-18r+6

Back to the equation:

-(-18r+6)



We get rid of parentheses

18r-6+150=0

We add all the numbers together, and all the variables

18r+144=0

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

18r=-144

r=-144/18

r=-8

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