"Simplifying
4 + 2.2h = -3.7
Solving
4 + 2.2h = -3.7
Solving for variable 'h'.
Move all terms containing h to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 2.2h = -3.7 + -4
Combine like terms: 4 + -4 = 0
0 + 2.2h = -3.7 + -4
2.2h = -3.7 + -4
Combine like terms: -3.7 + -4 = -7.7
2.2h = -7.7
Divide each side by '2.2'.
h = -3.5
Simplifying
h = -3.5"