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