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

Mary multiplied a number by -3. When she added the result to 6, she got 12. What is-example-1
User Doron Brikman
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x×-3+6=12, -3×=12-6, -3x=6 |÷-3, x=-2
User Galou
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