Verified Answer :

dalendrk

3z - 7 = 14    |add 7 to both sides

3z = 21    |divide both sides by 3

z = 7

Answer:

Option C is correct

the value of z is, 7

Step-by-step explanation:

Given the equation:

\(3z -7 =14\)

Add 7 to both sides we get;

\(3z -7+7 =14+7\)

Simplify:

\(3z =21\)

Divide both sides by 3 we get;

z = 7

Therefore, the value of z is, 7

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