Heidiheidi421 Heidiheidi421

16-01-2020
Mathematics

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

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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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