Решите уравнение:
а) 46,73x + 53,27x = 268,05;
б) 38,72x − 12,832x − 15,888x = 52,3 − 24,038.
46,73x + 53,27x = 268,05
100x = 268,05
x = 268,05 : 100
x = 2,6805
38,72x − 12,832x − 15,888x = 52,3 − 24,038
25,888x − 15,888x = 28,262
10x = 28,262
x = 28,262 : 10
x = 2,8262