SOLUTION: 2(1+c)-(2+c)=10

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Question 135457: 2(1+c)-(2+c)=10
Answer by checkley77(12844) About Me  (Show Source):
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2(1+c)-(2+c)=10
2+2c-2-c=10
c=10 answer.
proof:
2(1+10)-(2+10)=10
2*11-12=10
22-12=10
10=10