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Use parenthesis next time. I assume you mean,

(X/- 4) + 3 = 15

drop parenthesis and multiply through by - 4

X - 12 = - 60

X = - 48

----------------check in original equation

- 48/- 4 + 3 = 15

12 + 3 = 15

15 = 15

--------------checks

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13y ago

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Q: What is the answer to x over -4 plus 3 equals 15?
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