9x + 4 - x + 8 = 8x + 12
4 x 12 - 45 + 8 = 48 - 45 + 8 = 3 + 8 = 11
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12
(32 + (4 x 4 x 4)) / 8 = 12
X = 4
9x + 4 - x + 8 = 8x + 12
-4
x = -8
4 x 12 - 45 + 8 = 48 - 45 + 8 = 3 + 8 = 11
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12
12
(32 + (4 x 4 x 4)) / 8 = 12
X = 4
3x+8 = 12 3x = 4 x = 4/3
4
x=12
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...