0.9=h+1.2

Solution for 0.9=h+1.2 equation:

Simplifying
0.9 = h + 1.2

Reorder the terms:
0.9 = 1.2 + h

Solving
0.9 = 1.2 + h

Solving for variable 'h'.

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

Add '-1h' to each side of the equation.
0.9 + -1h = 1.2 + h + -1h

Combine like terms: h + -1h = 0
0.9 + -1h = 1.2 + 0
0.9 + -1h = 1.2

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -1h = 1.2 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -1h = 1.2 + -0.9
-1h = 1.2 + -0.9

Combine like terms: 1.2 + -0.9 = 0.3
-1h = 0.3

Divide each side by '-1'.
h = -0.3

Simplifying
h = -0.3