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VikaD [51]
3 years ago
12

Mary multiplied a number by -3. When she added the result to 6, she got 12. What is her number?

Mathematics
1 answer:
ipn [44]3 years ago
5 0
X×-3+6=12, -3×=12-6, -3x=6 |÷-3, x=-2
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