Odpowiedź:
e) |3x + 9| = 4
3x + 9 = 4 v 3x + 9 = -4
3x = -5 v 3x = - 13
[tex]x = - \frac{5}{3} \ \ \ v\ \ \ x = -\frac{13}{3}[/tex]
f) |1 + 2x - 4| = 0
1 + 2x - 4 = 0
2x = - 3
[tex]x = -\frac{2}{3}[/tex]
g) [tex]|\frac{1}{4}x - 1| = 2[/tex]
[tex]\frac{1}{4}x - 1 = 2 \ \ \ v \ \ \ \frac{1}{4}x - 1 = -3[/tex]
[tex]\frac{1}{4}x = 3 \ \ \ v \ \ \ \frac{1}{4}x = -3[/tex]
x = 12 v x = - 12
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Odpowiedź:
e) |3x + 9| = 4
3x + 9 = 4 v 3x + 9 = -4
3x = -5 v 3x = - 13
[tex]x = - \frac{5}{3} \ \ \ v\ \ \ x = -\frac{13}{3}[/tex]
f) |1 + 2x - 4| = 0
1 + 2x - 4 = 0
2x = - 3
[tex]x = -\frac{2}{3}[/tex]
g) [tex]|\frac{1}{4}x - 1| = 2[/tex]
[tex]\frac{1}{4}x - 1 = 2 \ \ \ v \ \ \ \frac{1}{4}x - 1 = -3[/tex]
[tex]\frac{1}{4}x = 3 \ \ \ v \ \ \ \frac{1}{4}x = -3[/tex]
x = 12 v x = - 12