Answer:
35/8 or 4.375
Step-by-step explanation:
Distribute the 7
[tex]8h-21=42-28[/tex]
Combine like terms on the right
[tex]8h-21=14[/tex]
Add 21 to both sides
[tex]8h=35[/tex]
Divide both sides by 8
[tex]h=\frac{35}{8} =4.375[/tex]