Question

Image provided below! help please.

Answer 1

Answer:

Nigel's mistake starts from step 1

step 1 should be

2h-4 = 10×2

2h-4 =20

step 2

2h=16

step 3

h=8

Answer 2

Step-by-step explanation:

There is 1/2 in LHS if you displaced in RHS it is going to multiplied not divide

So there will be 2h-4=40

2h=44 and h = 22