| - Дробь
/ - Разделить
y = -3x + 1
1) -2 = -3x + 1
-2 - 1 = -3x
-3 = -3x
-3|3 = x
x = 1
2) 2|3 = -3x + 1
2|3 - 1 = -3x
-1|3 = -3x
-1/3|-3 = x
-1|-9 = x
1|9 = x
3) 0 = -3x + 1
0 - 1 = -3x
-1 = -3x
-1|-3 = x
x = 1|3
4) -0,1 = -3x + 1
-0,1 - 1 = -3x
-1,1 = -3x
-1,1|-3 = x
x = 11/10|3
x = 11|30