Răspuns:
1. x-6=11
x=11+6
x=17
2. 3x=15
[tex]x = \frac{15}{3} [/tex]
x=5
3. 3x-4=29
3x=29-4
3x=25
[tex]x = \frac{25}{3} [/tex]
4. 4(x-7)=28
[tex]x - 7 = \frac{28}{4} [/tex]
x-7=7
x=7+7
x=14
5.
[tex] \frac{x}{2} = 4[/tex]
[tex]x = 2 \times 4 \\ x = 8[/tex]