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Ratling [72]
3 years ago
6

What is the solution to this equation?

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0
B.
You add +12 to both sides and the left side cancels out, leaving X. Then 9+12=21. So X=21
Nitella [24]3 years ago
5 0

Answer:

B. x=21

Step-by-step explanation:

x- 12 = 9 \\ x = 12 + 9 \\ x = 21

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Read 2 more answers
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