Question

Срочно! Помогите плиз

Answer 1

Ответ:

Пошаговое объяснение:

4(2x - 1) = 20

8x - 4 = 20

8x = 20+4

8x = 24

x = 24:8

x = 3

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6x = 4x - 12

6x - 4x = -12

2x = -12

x = -12:2

x = -6

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2(x - 1) = 4x - 12

2x - 2  = 4x - 12

4x - 2x = 12 - 2

2x = 10

x = 10:2

x = 5

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