Question

Rezolvati :
a) 2(x-5)+3=x+5
b) 3x-2 ( supra ) 2 - 3 > ( sau egal ) 1
c) x la puterea a 2 a - x-2 > ( sau egal ) 0

Answer 1

a) 2x-10+3=x+5
2x-x=5+10-3
x=12
b)3x-2>=-1
3x>=1
x>=1/3
c) x^2>=0
x>=0
x apartine [0,+infinit)