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Rezolvati: x+103 = 4506 ; x-108=216 ; x-36 < 41 ; z+ 7002 < 7009

am facut




Răspuns :

a) x+103=4506
x=4506-103
x=4403
S={4403}
b) x-108=216
x=216+108
x=324
S={324}
c) x-36<41
x<41+36
x<77
x∈( - infinit; 77)
d) z+7002<7009
z<7009-7002
z<7
x∈( - infinit; 7)