Question

Find the value of the following expressions when x= -1:

(i) 2x -7 (ii) -x +2

Answer 1

Answer:

good night take care sweet dreams by

Answer 2

Answer:

I). -9 ii). 1

Step-by-step explanation:

I)• 2x- 7 = (2× -1) -7 = -2 -7 = -9

ii)• -x + 2 = -1 +2 = 1