Question

AJUTATIMA VAROG:
1.Rezolvati inecuatiia
a)/x-3/<1
b)/4-3x/>7
2.Rezolvati:
a)x/2-3x+1/3≤1
b){2(x+3)-(x-8) 
{ 6x>3(x+1)-1

Answer 1

1a).x+3≤1⇒x≤-2
b)4+3x≥7⇒3x≥7-4⇒x≥3/3x⇒x≥1
2.b)2(x+3)-(x-8)=2x+6-x+8=0⇒x=-14
6x≥3(x+1)-1⇒6x≥3x+3-1⇒6x-3x≥2⇒3x≥2⇒x≥2/3
succes