bjr
11/5 x+2=0
11/5x = -2
x = -2 * 5/11
x = -10/11
2. 11= 5 + 3/2x
3/2x = 6
x = 6*2/3
x = 12/3 = 4
3. 3x/2 + x/3- 1=1/3
3/2x + 1/3x - 1 = 1/3
9/6x + 1/6x = 1/3 + 1
10/6x = 4/3
x = 4/3 * 6/10
x = 2*2*3*2 / 3*2*5 = 4/5
4. 3/2x +1 =x/4 -1
3/2x - 1/4x = - 2
6/4x - 1/4x = -2
5/4x = -2
x = -2*5/4
tu finis
5. 5 (x-2) +2 (1-3x) = 7x +12
5x - 10 + 2 - 6x = 7x + 12
5x - 6x - 7x = 12 + 8
tu finis
6. 4 (x-1)-3 (2-x) =2
4x - 4 - 6 + 3x = 2
7x = 2 + 10
tu finis
