9h-1=10h

Solution for 9h-1=10h equation:

Simplifying
9h + -1 = 10h

Reorder the terms:
-1 + 9h = 10h

Solving
-1 + 9h = 10h

Solving for variable 'h'.

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

Add '-10h' to each side of the equation.
-1 + 9h + -10h = 10h + -10h

Combine like terms: 9h + -10h = -1h
-1 + -1h = 10h + -10h

Combine like terms: 10h + -10h = 0
-1 + -1h = 0

Add '1' to each side of the equation.
-1 + 1 + -1h = 0 + 1

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

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

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

Simplifying
h = -1