Day: Apr 1, 2025

1. 2x=6 x=3 3+y=5 y=2
2. 2x=2 x=1 1+y=7 y=6
3. 2x=-2 x=-1 y-1=-5 y=-4
4. 5y=10 y=2 x-2=5 x=7
5. 7y=14 y=2 x+2=5 x=3
6. x=6-y
   18-3y+2y=16 y=2 x=4
7. x=2-y 8-4y-5y=-1
   9y=9 y=1 x=1
8. x=y+4 2y+8+6y=16
   8y=8 y=1 x=5

1. x>7
   x>3 => x>7
2. x>0
   x>-2 => x>0
3. x<-4/7
   x<3 => x<-4/7
4. x≤14
   x≤1 => x≤1
5. x>6
   x<-4/3 (-4/3;6)
6. x>2,5
   x≤5 ø
7. x>3
   x≤3,5 (3;3,5]
8. x>4,5
   x≤12 (4,5;12]