Question

As dori si eu 10 inecuatii rezolvate.

Answer 1

a) 3x - 2 < 7 Sol: 3x < 7 + 2 3x < 9 | : 3 x < 3 x = { 0,1,2 } b) 5x + 1 < 26 Sol: 5x < 26 - 1 5x < 25 | : 5 x < 5 x = { 0,1,2,3,4,5 } c) 2(3x - 7) < 10 Sol: 6x - 14 < 10 6x < 10 + 14 6x < 24 | : 6 x < 4 x = { 0,1,2,3 } d) 6[(2x + 1) x 3 - 5] + 8 < 356 Sol: 6(6x + 3 - 5 ) + 8 < 356 36x + 18 - 30 + 8 < 356 36x + 18 - 22 < 356 36x < 356 - 18 + 22 36x < 360 | : 36 x < 10 x = { 0,1,2,3,4,5,6,7,8,9,10 }