(7-3/4x):2,5-2,84=4,16
(7-3/4x):2,5=4,16+2,84
(7-3/4x):2,5=7
7:2,5-3/4x:2,5=7
2,8-0,3x=7
0,3x=2,8-7
0,3x=-4,2
x=-4,2:0,3
x=-14
(7-3/4x) : 2,5- 2,84= 4,16 | + 2,84(7-3/4x) : 2,5 = 7 | * 2,57-3/4x = 17,5 | + 73/4x = 24,5 | : 3/4x = 32 2/3
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(7-3/4x):2,5-2,84=4,16
(7-3/4x):2,5=4,16+2,84
(7-3/4x):2,5=7
7:2,5-3/4x:2,5=7
2,8-0,3x=7
0,3x=2,8-7
0,3x=-4,2
x=-4,2:0,3
x=-14
(7-3/4x) : 2,5- 2,84= 4,16 | + 2,84
(7-3/4x) : 2,5 = 7 | * 2,5
7-3/4x = 17,5 | + 7
3/4x = 24,5 | : 3/4
x = 32 2/3