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What value of zz is a solution to this equation?\newlinez−9=3z - 9 = 3\newlineChoices:\newline(A)z=11z = 11\newline(B)z=12z = 12

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Q. What value of zz is a solution to this equation?\newlinez−9=3z - 9 = 3\newlineChoices:\newline(A)z=11z = 11\newline(B)z=12z = 12
  1. Identify Operation: z−9=3z - 9 = 3\newlineWhich operation should be used to isolate zz?\newlineIn z−9=3z - 9 = 3, we should add 99 to both sides to isolate zz.\newlineAdd 99 to both sides.
  2. Add 99 to Both Sides: z=3+9z = 3 + 9\newlineFind the value of zz.\newline3+9=123 + 9 = 12\newlinez=12z = 12

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