Question

–15d – 12 = –4(d + 3) – 11d

Answer 1

The correct awnser is they are all real numbers I hope I helped u

Answer 2

-15d - 12 = -4(d + 3) - 11d
-15d - 12 = -4d - 12 - 11d
-15d - 12 = -15d - 12
        +12            +12
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-15d = -15d
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All real numbers are the solution.