Subtract the sum of 2x - 3y + 7z and 4z - 5x from 13x - z.
16x + 3y - 12z
The correct answer is Option 4 i.e. 16x + 3y - 12z.
According to the question,
(13x - z) - (2x - 3y + 7z + 4z - 5x)
⇒ (13x - z) - (-3x - 3y + 11z)
⇒ 13x - z + 3x + 3y - 11z
⇒ 16x + 3y - 12z
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