-145=-5(1-7r)

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Solution for -145=-5(1-7r) equation: 



-145=-5(1-7r)

We move all terms to the left:

-145-(-5(1-7r))=0

We add all the numbers together, and all the variables

-(-5(-7r+1))-145=0



We calculate terms in parentheses: -(-5(-7r+1)), so:

-5(-7r+1)

We multiply parentheses

35r-5

Back to the equation:

-(35r-5)



We get rid of parentheses

-35r+5-145=0

We add all the numbers together, and all the variables

-35r-140=0

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

-35r=140

r=140/-35

r=-4

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