Salutare!
[tex] \bf[(x+8:2)\cdot3+5] \cdot5=115 \: |:5\: \text{(\it imprtim toata relatia cu 5)}[/tex]
[tex]\bf(x+8:2) \cdot3+5 =23[/tex]
[tex]\bf(x+4) \cdot 3 =23 - 5[/tex]
[tex]\bf(x+4) \cdot 3 =18 \: \: | : 3 \: \text{(\it imprtim toata relatia cu 3)}[/tex]
[tex]\bf x+4=6[/tex]
[tex]\bf x=6 - 4[/tex]
[tex] \boxed{\bf x = 2}[/tex]
==pav38==