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a fost răspuns

Calculati ecuatiile in multimea Z :
a) 17+x=1
b)x-43=11
c)6+5x=2x+18
d)x+39=0
e)12-x=5
f)-4-3x=x+8
g)-x-7=0
h)-13+x=-1
i)-(-x-3)+2=10

Răspuns :

a) x= 1- 17 = -16

b)x= 11+43 = 54

c)6+3x=18

3x= 12

x=4

d)x= -39

e)x=7

f)x=-3

g)x=-7

h)x=12

i)x=5

a)x=1-17=-16

b)x=11+43=54

c)x=4

d)x=-39

e)x=7

f)x=6

g)x=-7

h)x=-14

i)x=11