4h+2h-3+h=18

Solution for 4h+2h-3+h=18 equation:

Simplifying
4h + 2h + -3 + h = 18

Reorder the terms:
-3 + 4h + 2h + h = 18

Combine like terms: 4h + 2h = 6h
-3 + 6h + h = 18

Combine like terms: 6h + h = 7h
-3 + 7h = 18

Solving
-3 + 7h = 18

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + 7h = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7h = 18 + 3
7h = 18 + 3

Combine like terms: 18 + 3 = 21
7h = 21

Divide each side by '7'.
h = 3

Simplifying
h = 3