Question

(d-1):11=(2d-3):8.Решите плиз:)

Answer 1

(d-1);11=(2d-3);8
d-2d=-3;8+1;11
-1d=-0.375+0.09
-1d=0.465
d=0.465;(-1)
d=-0.465
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Ответ: - 0,465