помогите!!!уравнение решить! (7,43- 2,3(25))+х=7
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(7,43- 2 3\25)+х=7(7 43\100-2 12\100)+х=7
5 31\100+х=7
х=7-5 31\100
х=6 100\100-5 31\100
х=1 69\100 или 1.69