Question

Ineguacoes do 1 grau
12x-8x+4<+8x

Answer 1

12x-8x+4<+8x

12x-8x-8x < -4

4x-8x < - 4

-4x < -4*(-1)

4x < 4

x > 4/4

x > 1

Answer 2

12x - 8x + 4 < 8x
4x + 4 < 8x
4x - 8x < - 4
- 4x < - 4 (-1)
4x > 4
x > 4/4
x > 1

R.: {x E R / x > 1}