Question

2e+12-e=-2e+24 Help meee

Answer 1

2e -e + 2e = + 24 - 12
3e = 12
__ = __
3      3
e = 4

Answer 2

2e+12-e=2e+24
2e-e-2e=24-12
-e=12
(-1) x -e=12 (principio de equivalência)
e=-12