Answer:
h=12.5
Explanation:
To solve for h, we need to isolate the variable
h+3h+4h =100
Combine like terms by adding h, 3h and 4h
8h=100
Divide both sides by 8 to "reverse" the multiplication being done to h
8h/8=100/8
The 8s on the left will cancel, leaving us with:
h=12.5