Question

Add: t - 8tz, 3tz - z and z - t.

• A. -5tz
• B. 0.0
• C. -5tz
• D. z-t

Answer 1

The correct option is C -5tz

t - 8tz + 3tz - z + z - t
Grouping the like terms together, we get,
= t - t - 8tz + 3tz - z + z
Solving the groups,
= (1-1)t + (-8+3)tz + (-1+1)z
= 0 - 5tz + 0
= -5tz