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WITCHER
[35]
2 years ago
8
Need answer ASAP will give brainliest check out the picture
Mathematics
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1
answer:
valentinak56
[21]
2 years ago
8
0
Answer:
i think... x=6
Step-by-step explanation:
3x+9=x+21
3x−x=12
2x=12
x=6
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