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TavcateldFlo TavcateldFlo
  • 12-01-2017
  • Mathematics
Answered



Solve the equation for c.





c(c + 3) - c(c - 4) = 9c - 16







1.6






2.6






2






8

Verified Answer :

doodle10 doodle10
  • 13-01-2017

Answer = 8

Because:

c(c + 3) - c(c-4) = 9c - 16
c^2 + 3c - c^2 + 4c = 9c - 16
3c + 4c = 9c - 16
7c = 9c - 16
7c + 16 = 9c
16 = 2c
8 = c

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