Question

rezolvati in mulțimea numerelor întregi ecuațiile:
a)x+8=-2
b)x+10=-5
c)x-3=-7
d)x-9=-6
e)x-7=11
f)8=-3+x

Answer 1

a)x=-2-8=-10
b)x=-5-10= -15
c)x=-7+3= -4
d)x=-6+9= 3
e)x=11+7=18
f)x=8+3=11

Answer 2

a)x+8=-2
x=-2-8
x=-10

b)x+10=-5
x=-5-10
x=-15

c)x-3=-7
x=-7+3
x=-4

d)x-9=-6
x=-6+9
x=3

e)x-7=11
x=11+7
x=18

f)8=-3+x
-3+x=8
x=8+3
x=11