Answer
Success!
h=14

↓Steps Explained:↓

Solve for h

2h + h = 42

Group the h terms on the left:

(2 + 1)h = 3h

Form modified equation

3h = + 42

Divide each side by 2

2h
2
=
  
42
2

Divide each side of the equation by 3

3h
3
=
  
42
3

h = 14

Final Answer

h=14
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