a) 2x - 1,5x - 1 = 7/4 - x
0,5x - 1 = 7/4 -x
1,5x = 11/4
6/4x = 11/4 /*4/6
x = 11/6
b) 3x - 2 + 4x = 1,5x + 0,75
7x - 2 = 1,5x + 0,75
5,5x = 2,75 /: 5,5
x = 0,5
c) 10/3 x - 22/5 x = -16
(10/3 x) * 5 - (22/5x) * 3 = -16
50/15x - 66/15x =-16
- 16/15x = -16 / * (-15/16)
x = 15
d)(x/2) * 10 + (x/4) * 5 + (x/5) * 4 = x - 1
10x/20 + 5x/20 + 4x/20 = x - 1
19x/20= x - 1 / * 20
19x = 20x - 20
-x = - 20 / * (-1)
x = 20
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a) 2x - 1,5x - 1 = 7/4 - x
0,5x - 1 = 7/4 -x
1,5x = 11/4
6/4x = 11/4 /*4/6
x = 11/6
b) 3x - 2 + 4x = 1,5x + 0,75
7x - 2 = 1,5x + 0,75
5,5x = 2,75 /: 5,5
x = 0,5
c) 10/3 x - 22/5 x = -16
(10/3 x) * 5 - (22/5x) * 3 = -16
50/15x - 66/15x =-16
- 16/15x = -16 / * (-15/16)
x = 15
d)(x/2) * 10 + (x/4) * 5 + (x/5) * 4 = x - 1
10x/20 + 5x/20 + 4x/20 = x - 1
19x/20= x - 1 / * 20
19x = 20x - 20
-x = - 20 / * (-1)
x = 20