Question

4 – 2 + ... = 8. In (a) the sum (– 8) represents going down by eight steps. So, what will the sum 8 in (b) represent?

Answer 1

b) should be +6 .

Then you get the answer.

replace the value in the above equation.

4-2+6=8.
+2+6=8

8=8.

hence proved.

Answer 2

Hey mate.....

here's ur answer.....

Let the unknown number be x

4 - 2 + x = 8

2 + x = 8

x = 8 - 2

x = 6...

Hope it helps ❤️