Ecuatii in Z
  • 1. x+5=-10
A) x=5
B) x=-15
C) x=15
D) x=-5
  • 2. b - 8 =12
A) b=20
B) b=32
C) b=4
D) b=11
  • 3. 5n=-15
A) n=4
B) n=2
C) n=3
D) n=-3
  • 4. -2n=-24
A) n=26
B) n=3
C) n=12
D) n=-12
  • 5. 6+h=12
A) h=5
B) h=7
C) h=-6
D) h=6
  • 6. 1-w=7
A) w=-6
B) w=8
C) w=6
D) w=-8
  • 7. 5n+8=3
A) n=8
B) n=2
C) n=-1
D) n=-2
  • 8. 4k-14=21-3k
A) k=48
B) k=5
C) k=4
D) k=-5
  • 9. 5m+10=-5+10m
A) m=-4
B) m=4
C) m=3
D) m=8
  • 10. 3(x+2)=2(x-1)
A) n=9
B) n=-4
C) n=7
D) n=-8
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