Question

Sa se rezolve ecuatiile [ x+1]=-4  : [2x]=2  [2x+1supra2]=5

Answer 1

x+1=-4
x=-4-1
x=-5

2x=2
x=$\frac{2}{2}$
x=1

$\frac{2x+1}{2}$=5
2x+1=5*2
2x+1=10
2x=10-1
2x=9
x=$\frac{2}{9}$