When x = 2, y = -3 and z = -5, then the value of 3x – 4y – z is?
When x = 2, y = -3 and z = -5, then the value of 3x – 4y – z is?
Explanation
Let's calculate the value of 3x – 4y – z using x = 2, y = -3, z = -5:
3(2) – 4(-3) – (-5)
= 6 + 12 + 5
= 23
Let's calculate the value of 3x – 4y – z using x = 2, y = -3, z = -5:
3(2) – 4(-3) – (-5)
= 6 + 12 + 5
= 23