Respuesta :

Answer:

Option C

Step-by-step explanation:

Option A:

[tex]4(-1)+9=20\\\\-4+9=20\\\\\boxed{5\neq 20}[/tex]

Option B:

[tex]-4(-1)-5=-15\\\\4-5=-15\\\\\boxed{-1\neq -15}[/tex]

Option C:

[tex]-3(-1)+15=18\\\\3 + 15 = 18\\\\\boxed{18=18}[/tex]

Option C is the correct answer.

Option D:

[tex]-5(-1)-15=-22\\\\5-15=-22\\\\\boxed{-10\neq -22}[/tex]

Hope this helps.

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