Heidiheidi421 Heidiheidi421
  • 16-01-2020
  • Mathematics
contestada

Is C + 11 = 20; c =9 a solution if the equation

Respuesta :

texaschic101
texaschic101 texaschic101
  • 16-01-2020

Answer:

Step-by-step explanation:

c + 11 = 20....subtract 11 from both sides

c = 20 - 11

c = 9

and u know that u can check ur answer by subbing it back into the equation

c + 11 = 20

9 + 11 = 20

20 = 20 (correct)

so yes, ur answer c = 9 is correct

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