Решите уравнения 1)5,38x-8,54+2,92x=9,72 2)15 16/33++4 21/33=27 2/33

Question

Решите уравнения
1)5,38x-8,54+2,92x=9,72
2)15 16/33++4 21/33=27 2/33

Answer 1

5,38х-8,54+2,92х=9,72
5,38х+2,92х=9,72+8,54
8,3х=18,26
х=18,26:8,3
х=2,2

15 16/33 х+4 21/33=27 2/33
15 16/33 х =27 2/33-4 21/33
15 16/33 х=22 14/33
х=22 14/33 : 15 16/33 = 740/33 * 33/511
х=740/511=1 229/511