5d+3=7d-5(2d+1) Помогите пж!Оч надо ;)

Question

5d+3=7d-5(2d+1) Помогите пж!Оч надо ;)

Answer 1

Ответ:

Пошаговое объяснение:

5d+3=7d-5(2d+1)

5d + 3 = 7d - 10d - 5

5d + 3 = -3d - 5

5d + 3d = -5 - 3

8d = -8

d = -8 : 8

d = -1

Comments

5+3=8-1=7

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10-5=5 7-5=2

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5-2=3 3-2=1