Question

45.Evaluate pq+z- r; if p=-3,q=5 and r=-1.​

Answer 1

$pq + z - r \\ ( - 3)(5) + z - ( - 1) \\ - 15 + z + 1 \\ - 14 + z$

The value of z is not given!!

u'r done!!

Thnx✌️♥️~

Answer 2

well I have also solve this same question. I thought what is the value of z and asked my teacher and he told that the value of z is 0 and this was the mistake .

and

here is your question's answer

• pq+z-r
• -3×5+0-(-1)
• -15+0+1
• -14