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Va rog sa ma ajute alti 5(x-1)-3(x+3)_>2(1-x)

Răspuns :

5x-5-3x-6>2-2x
2x-11>2-2x
2x+2x>11-2
4x>9
x>9/4
x=3,4,5,6,7,...,...,...n...
5 ( x - 1 ) - 3 ( x + 3 ≥ 2 ( 1 - x )
5x - 5 - 3x - 9 ≥ 2 - 2x
5x - 3x + 2x ≥ 2 + 5 + 9
4x ≥ 16
x ≥ 16/4
x ≥ 4
S= { 4, 5, 6, ..... }