Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Get comprehensive and trustworthy answers to all your questions from our knowledgeable community members.
Answer:
C=15
Step-by-step explanation:
Equation: (7c-7)+(6c-8)=180
180 because a STRAIGHT LINE is 180degrees
Then you do 'math'
(7c+6c)-15=180
13c=195
c=15