the answer is 21
30 - 9 = 2121 + 3 = 2412 divided by 4 = 324 - 3 = 2121 is the answer once again
Answer:
21
Explanation:
30 - 9 +3
30 - 12
18
18 - 12=4
12/4 = -3
18 - -3
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