Răspuns:
Explicație pas cu pas:
a. 3-4x≤15
-12≤4x
-3≤x
x={-3,-2,-1,0,1...}
b. 4x+4+3x+6>x+1
6x>-9
[tex]x>-\frac{9}{6} \\\\x>-\frac{3}{2}[/tex]
x={-1,1,2,3,4...}
c. 4-2x+6>4x
10>6x
5>3x
[tex]x<\frac{5}{3}[/tex]
x={0,1}
d. 8x+2x²-3x-2x²>x+5
4x>5
[tex]x>\frac{5}{4}[/tex]
x={2,3,4,5...}
e. 3-4x-4-6+2x≥5+8x
-2x-7≥5+8x
-12≥10x |:2
-6≥5x
[tex]x\leq -\frac{6}{5}[/tex]
x={-2,-3,-4...}
f. 3-10+5x≤x+1
4x≤8
x≤2
x={2,1,0}
