Respuesta :

10x+6>8x-12..............................
apologiabiology
10x+6≤8x-12
minus 8x from both sides
10x-8x+6≤8x-8x-12
2x+6≤0-12
2x+6≤-12
minus  6 both sides
2x+6-6≤-12-6
2x+0≤-18
2x≤-18
divide both sides by 2
x≤-9