If z = 3w - 3 and w = 13, what is z?

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Multiple Choice

If z = 3w - 3 and w = 13, what is z?

Explanation:
Evaluating a linear expression by substituting the given value for the variable. Replace w with 13 in z = 3w - 3. This gives z = 3(13) - 3. Follow the order of operations: 3 times 13 is 39, then subtract 3 to get 36. So z equals 36. This result comes directly from the substitution and the standard order of operations. The other numbers would come from using a different value for w or skipping the subtraction after multiplication.

Evaluating a linear expression by substituting the given value for the variable. Replace w with 13 in z = 3w - 3. This gives z = 3(13) - 3. Follow the order of operations: 3 times 13 is 39, then subtract 3 to get 36. So z equals 36. This result comes directly from the substitution and the standard order of operations. The other numbers would come from using a different value for w or skipping the subtraction after multiplication.

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