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QveST [7]
3 years ago
5

What minus 9 equals 11

Mathematics
2 answers:
anastassius [24]3 years ago
7 0

Answer:

20

Step-by-step explanation:

Call the number you're trying to find  n.

"What" becomes  n.

n - 9 = 11

To "undo" the subtraction and reveal the value of  n ,  ADD 9 to both sides of the equation.  (Addition is the inverse operation of subtraction.)

n = 11 + 9 = 20

Naddika [18.5K]3 years ago
6 0

Answer:

20

Step-by-step explanation:

20 - 9 = 11

I hope this helps

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