Question

Resolva as equações:
12x -18<4x -38
12x +5= -8x + 25
Me ajuda aí gente

Answer 1

a) 12x - 18 < 4x - 38

12x - 4x < -38 + 18

8x < -20

x < - 20/8 = - 5/2 = -2,5

b) 12x + 5 = -8x + 25

12x + 8x = 25 - 5

20x = 20

x = 20/20

x = 1