Question

2x + 8 = 0, when x = 4
​

Answer 1

$\large\underline{\underline{\sf Answer:}}$

$Given \: that$

$2x + 8 = 0$

$x = 4$

$=2(4) + 8$

$= 8 + 8$

$= 16$

16 and 0 are not equal

So the equation is wrong.

@ShinySmile

Answer 2

Question:

2x + 8 = 16, when x = 4

Answer:

2 x 4 + 8 = 16

8 + 8 = 16

Doubt:

The x value you gave or the answer might be wrong.

Question:

2x + 8 = 0, when x = -4

Answer:

2 x -4 + 8 = 0

-8 + 8 = 0

​Doubt:

The x value you gave or the answer might be wrong.