31=-4.2h

Solution for 31=-4.2h equation:

Simplifying
31 = -4.2h

Solving
31 = -4.2h

Solving for variable 'h'.

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

Add '4.2h' to each side of the equation.
31 + 4.2h = -4.2h + 4.2h

Combine like terms: -4.2h + 4.2h = 0.0
31 + 4.2h = 0.0

Add '-31' to each side of the equation.
31 + -31 + 4.2h = 0.0 + -31

Combine like terms: 31 + -31 = 0
0 + 4.2h = 0.0 + -31
4.2h = 0.0 + -31

Combine like terms: 0.0 + -31 = -31
4.2h = -31

Divide each side by '4.2'.
h = -7.380952381

Simplifying
h = -7.380952381