Question

(B) If p = – 2, find the value of:


(I) 4p + 7

(II) -3p+9p-2​

Answer 1

Answer:

(i) -20

(ii) -22

Step-by-step explanation:

(i) 4 x -2 + 7 (because p = -2)

-2 + 7 = -5

-5 x 4 = -20

(ii) -3 x -2 + 9 x -2 - 2

6 + -18 - 2

-24 - 2 = -22

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Answer 2

Answer:

i)4×2=8

=8+7

=15

ii) -3×2+9×2-2

=-6+18-2

=18-6-2

=12-2

=10