15c-7(-11c-13)=-3(-18c-5)

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Solution for 15c-7(-11c-13)=-3(-18c-5) equation: 



15c-7(-11c-13)=-3(-18c-5)

We move all terms to the left:

15c-7(-11c-13)-(-3(-18c-5))=0

We multiply parentheses

15c+77c-(-3(-18c-5))+91=0



We calculate terms in parentheses: -(-3(-18c-5)), so:

-3(-18c-5)

We multiply parentheses

54c+15

Back to the equation:

-(54c+15)



We add all the numbers together, and all the variables

92c-(54c+15)+91=0

We get rid of parentheses

92c-54c-15+91=0

We add all the numbers together, and all the variables

38c+76=0

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

38c=-76

c=-76/38

c=-2

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