-2(-c-20)=20c-20

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Solution for -2(-c-20)=20c-20 equation:



-2(-c-20)=20c-20
We move all terms to the left:
-2(-c-20)-(20c-20)=0
We add all the numbers together, and all the variables
-2(-1c-20)-(20c-20)=0
We multiply parentheses
2c-(20c-20)+40=0
We get rid of parentheses
2c-20c+20+40=0
We add all the numbers together, and all the variables
-18c+60=0
We move all terms containing c to the left, all other terms to the right
-18c=-60
c=-60/-18
c=3+1/3

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