
Parviz F. answered 04/28/14
Tutor
4.8
(4)
Mathematics professor at Community Colleges
12 + 5X - 8 = 12X -10:
first step simplify both sides:
5X + 4 = 12X -1 0
2nd step : Move variables X's to one side and constants to other, change the sign when moving one variable
from one side to other.
4 + 10 = 12X -5X
14 = 7X
X = 14/7 = 2