Please help with this one.

Answer:
x = 7
Step-by-step explanation:
[tex]\frac{3}{7} x + 5 = 8[/tex]
[tex]\frac{3}{7} x = 8-5[/tex]
[tex]\frac{3}{7} x = 3[/tex]
[tex]x = 3 / \frac{3}{7}[/tex]
[tex]x = 3 * \frac{7}{3}[/tex] cancel 3
Then
[tex]x = 7[/tex]