Решите уравнение:
1) x + 4,83 = 9;
2) 43,78 − x = 5,384;
3) x − 14,852 = 15,148;
4) 2,395 + x = 10.
x + 4,83 = 9
x = 9 − 4,83
x = 4,17
43,78 − x = 5,384
−x = 5,384 − 43,78
x = 43,78 − 5,384
x = 38,396
x − 14,852 = 15,148
x = 15,148 + 14,852
x = 30
2,395 + x = 10
x = 10 − 2,395
x = 7,605