Question

Помогите решить пожалуйста)

Answer 1

$5x - 150 = 0 \\ 5x = 150 \\ x = 30$

$48 - 3x = 0 \\ - 3x = - 48 \\ x = 16$

$- 1.5x = 9 = 0 \\ - 1.5x = 9 \\ x = - 6$

Answer 2

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