-21-9h=

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Solution for -21-9h= equation: 


Simplifying
-21 + -9h = 0

Solving
-21 + -9h = 0

Solving for variable 'h'.

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

Add '21' to each side of the equation.
-21 + 21 + -9h = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -9h = 0 + 21
-9h = 0 + 21

Combine like terms: 0 + 21 = 21
-9h = 21

Divide each side by '-9'.
h = -2.333333333

Simplifying
h = -2.333333333

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