-20=-10(c+45)

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Solution for -20=-10(c+45) equation: 



-20=-10(c+45)

We move all terms to the left:

-20-(-10(c+45))=0



We calculate terms in parentheses: -(-10(c+45)), so:

-10(c+45)

We multiply parentheses

-10c-450

Back to the equation:

-(-10c-450)



We get rid of parentheses

10c+450-20=0

We add all the numbers together, and all the variables

10c+430=0

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

10c=-430

c=-430/10

c=-43

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