Răspuns: [tex]\red{\bf \underline{x=7}}[/tex]
Explicație pas cu pas:
[tex]\bf \dfrac{x+1}{7} =\dfrac{8}{7} \implies[/tex]
[tex]\bf 7\cdot(x+1)=7\cdot 8~~~\bigg|:7[/tex]
[tex]\bf x+1=8[/tex]
[tex]\bf x=8 -1[/tex]
[tex]\red{\bf \underline{x=7}}[/tex]
==pav38==
