1) -5/1.2 = x/-6-5 -6 = 1.2 x30 = 1.2xx = 30/1.2x = 25
2) -3.5/4 = x/20-3.5 20 = 4 x-70 = 4xx = -70/4x = -17.5
3) -1.9/3 = x/15-1.9 15 = 3 x-28.5 = 3xx = -28.5/3x = -9.5
Ответ:1) x = 252) x = -17.53) x = -9.5
1) -5/1.2 = x/-6
-5 -6 = 1.2 x
30 = 1.2x
x = 30/1.2
x = 25
2) -3.5/4 = x/20
-3.5 20 = 4 x
-70 = 4x
x = -70/4
x = -17.5
3) -1.9/3 = x/15
-1.9 15 = 3 x
-28.5 = 3x
x = -28.5/3
x = -9.5
Ответ:
1) x = 25
2) x = -17.5
3) x = -9.5