Respuesta :

Answer:

k = 54

Step-by-step explanation:

k + (-12) = 42

Remove parenthesis and addition sign

k - 12 = 42

Add 12 to both sides

K = 54

QueenOfAttitude

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  • k+(-12)=42

  • k-12=42

  • k=42+12

  • k=54

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