Question

3x - 1 = 2(x - 2)
помогите пж​

Answer 1

Решение:

3х - 1 = 2(х - 2)

3х - 1 = 2х - 4

3х - 2х = -4 + 1

х = -3

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3 · (-3) - 1 = 2((-3) - 2)

-9 - 1 = -6 - 4

-10 = -10