Помогите!!3,5х+1,9х=42,82

Question

Помогите!!3,5х+1,9х=42,82

Answer 1

3.5х+1.9х=42.82
5.4х=42.82
х=42.82/5.4
х=7.92962963

Answer 2

3,5х+1,9х=42,82
5,4х=42,82
х=42,82:5,4
х=
Ну а дальше сам(а)
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