0
Wiki User
2
Hugh Luettgen ∙
- - 2 + 4 = 6
Remember that in maths a double minus becomes a plus: - - 2 = + 2
4
2x-4
x=27
x=7 3/4
x=2
If x/2 +3 = 4 then x = 2
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12
4 + x = 2x --> 4 = 2x - x --> 4 = x: x = 4
6
-2