-5x + 8 ? 3x + 8 (please explain solving this)

X

-5x + 8 ? 3x + 8 (please explain solving this)

X

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-5x + 8 ≥ 3x + 8

- 8 - 8

- 5x ≥ 3x

- 3x - 3x

- 8x ≥ 0

÷(- 8) ÷(- 8)

for x = -10,

-5 × (-10) + 8 ≥ 3 × (- 10) + 8

50 + 8 ≥ -30 + 8

42 ≥ - 22

for x = 10,

- 5 × 10 + 8 ≥ 3 × 10 + 8

- 50 + 8 ≥ 30 + 8

- 42 ≥ 38

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