Question

2. Determine by substitution, if :
(a) -2 is the root of -4x=8​

Answer 1

Step-by-step explanation:

-4(-2) = 8

LHS = RHS

HENCE PROVED.

Answer 2

Answer:

Step-by-step explanation:

The equation is -4x =8

Substitute -2 in the place of x

-4 x-2 =8

Hence, -2 is the root of the given equation

I hope it will help you