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5 - 8 > 7x - 3x
-3 > 4x
-3/4 > x solucion : x ∈ ( ∞ - , -3/4 )
2) - 6x ≥ -12
6x ≤ 12
x ≤ 2 solucion : x ∈ ( ∞ - , 2 ]