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  • Usuário do Brainly
2014-08-03T17:00:14-03:00
3(4x-8)+2≥5-2(3-2x)

12x-24+2≥5-6+4x

12x-4x≥5-6+24-2

8x≥29-8

8x≥21

x \geq  \frac{21}{8}

S={x ∈ R / x ≥  \frac{21}{8} }
2 5 2
2014-08-03T17:03:43-03:00