Question

–1 is not a solution of the equation (a) x + 1 = 0 (b) x – 1 = 2 (c) 2y + 3 =1 (d) 2p + 7 = 5 i will mark as brainliest

Answer 1

Answer:

it is not a solution of (b)

x – 1 = 2

(-1) – 1 = -2

-2 is not equal to 2

so answer is b)

Step-by-step explanation:

pls mark me brainliest

Answer 2

Step-by-step explanation:

A.x+1=0

= x= 0-1

= x = -1

B.x-1=2

= x=2+1

=x=3

C.2y +3=1

=2y=1-3

=2y= -2

=y= -2/2

= y=-1

D.2p+7=7

=2p=7-7

=2p=0

=p=0/2

=p=0

If you want you can check it by substituting the answers.

Hope this will help you.