Question

выкладываю повторно .......................................................................................

Answer 1

$5x-7\leq -7-3x\\5x\leq -3x\\5x+3x\leq 0\\8x\leq 0\\x\leq 0$

x∈ ( - ∞; 0]

Answer 2

Ответ:

(-Б; 0]

Объяснение:

$5x-7\leq -7-3x\\8x\leq -7+7\\8x\leq 0\\x\leq 0$

x∈ (-∞; 0]