7/9х-5/18х=-3
Помогите пожалуйста
7/9x - 5/18x = 14/18x - 5/18x = 9/18x = x/2.
Т.е. x/2 = -3
x = -3 * 2 = -6
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7/9x - 5/18x = 14/18x - 5/18x = 9/18x = x/2.
Т.е. x/2 = -3
x = -3 * 2 = -6