6 = z + 2?

6=z+2
6-2=z
4=z

GIVEN, 6=Z+2
Transfer z and 6 in alternative sides
Z=6-2
Z=4

6 = z + 2
= 6-2 = z
= 4 = z
= z = 4

z= 6-2=4.

z = 4

z=4

Z=4

z=4

Z= 2-6 = 4
6=4+2

z=4

z=4 since 6=z+2 6-2=z z=4