Evaluate 3z- 3 when z=7
a 34
b 21
c 18
2 answers:
Answer:
C
Step-by-step explanation:
Since z = 7 the equation would be 3(7) - 3
You would multiply 3 with 7 and get 21
Then you would subtract 3 from 21 and get 18
hope this helps.
Answer: C (18)
Step-by-step explanation: If we plug in 7 for z, 3 times 7 is 21. 21-3=18.
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