a.)
1-3x-88/7 /*7
7 - 3x + 88 = 35x
-3x - 35x = -88 - 7
38x = -95 /:38
x = 2,5
b.)
x/2 = 3x - 2x/4 /*4
-2x = 12x - 3 - 2x
-2x + 2x - 12x = -3
-12x = -3 /:(-12)
x = 0,25
c.)
3-3x/2=5/8-4x-3/6 /*24
72 - 36x = 15 - 16x + 12
-36x + 16x = 15 + 12 - 72
-20x = -45 /:(-20)
x = 2,25
d.)
3-2x/5+8=5x+2/2-x /*10
6 - 4x + 80 = 25x + 10 - 10x
-4x - 25x + 10x = 10 - 80 - 6
-19x = -76 /:(-19)
x = 4