6.9-0.9=h+3

Solution for 6.9-0.9=h+3 equation:

Simplifying
6.9 + -0.9 = h + 3

Combine like terms: 6.9 + -0.9 = 6
6 = h + 3

Reorder the terms:
6 = 3 + h

Solving
6 = 3 + 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.
6 + -1h = 3 + h + -1h

Combine like terms: h + -1h = 0
6 + -1h = 3 + 0
6 + -1h = 3

Add '-6' to each side of the equation.
6 + -6 + -1h = 3 + -6

Combine like terms: 6 + -6 = 0
0 + -1h = 3 + -6
-1h = 3 + -6

Combine like terms: 3 + -6 = -3
-1h = -3

Divide each side by '-1'.
h = 3

Simplifying
h = 3