8/3=19/(3-11х)
8 * (3 - 11x) = 19 * 3
24 - 88x = 57
-88x = 57 - 24
-88x = 33
x = -33 : 88
x = -0,375
13/0,5=(2х-10)/16
0,5 * (2x - 10) = 16 * 13
x - 5 = 208
x = 208 + 5
x = 213
3х/(11+2x)=7/2
7 * (11 + 2x) = 3x * 2
77 + 14x = 6x
14x - 6x = -77
8x = -77
x = -77 : 8
x = -9,625
8/3=19/(3-11х)
8 * (3 - 11x) = 19 * 3
24 - 88x = 57
-88x = 57 - 24
-88x = 33
x = -33 : 88
x = -0,375
13/0,5=(2х-10)/16
0,5 * (2x - 10) = 16 * 13
x - 5 = 208
x = 208 + 5
x = 213
3х/(11+2x)=7/2
7 * (11 + 2x) = 3x * 2
77 + 14x = 6x
14x - 6x = -77
8x = -77
x = -77 : 8
x = -9,625