Andreilupu889900ask
a fost răspuns

2. Rezolvat ̧i ˆın Z ecuat ̧iile:
a) x + 5 = −3
b) 2x − 15 = 31
c) 2 · (x − 1) − x = x − 2
d) 3x + 2 = −3 + x

Răspuns :

Beea2289ask
A)x+5=-3
X=-3-5=
X=-8
B)2x-15=31
2x=31+15
2x=46
X=26
D)3x+2=-3+x
3x-x=-3-2
2x=-5
X=-5/2

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