Question

Пожалуйста, помогите решить уравнение!
x-1 = 7(x-1)

Answer 1

$x - 1 = 7(x - 1) \\ x - 1 = 7x - 7 \\ x - 7x = - 7 + 1 \\ - 6x = - 6 \\ x = 1$
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Answer 2

x-1=7(x-1)

x-1=7x-7

7-1=7x-1

6=6x

x=6/6

x=1