Question

3x − y − 3z if x = −2, y = 1, and z = −2.

Answer 1

Answer: -1

Explanation:

3x − y − 3z if x = −2 y = 1 z = −2

Step 1: 3(-2)-1-3(-2)

Step 2: -6-1+6

Step 3: -7+6

Step 4: -1