Question

Rezolvati in multimea numerelor intregi ecuatiile:
a ) 17 + x =- 3
b) 3- x = 5

Answer 1

a) x=-3+17
x=-20
b) x=5+3
x=8

Answer 2

a) x=-3-17=> x=-20
b) -x=5+3=> -x=2=> x=-2