Question

Q5. Find the value of the following expressions,
whenx=-1:
(i) 2x-7
(ii) -x+2
please guise help me find this question​

Answer 1

Answer:

i) -9

ii) 3

Step-by-step explanation:

i) 2(-1) -7

=-2-7

=-9

ii) -(-1)+2

=1+2

=3

hope you got it

Answer 2

Answer:

(i) -9 and (ii) 3

Step-by-step explanation:

(i) 2x-7

Putting x= -1

= 2(-1)-7

= -2-7

= -9 ;Ans.

(ii) -x+2

Putting x= -1

= -(-1)+2

= +1+2

= 3 ;Ans.

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