-9h-15=-21

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Solution for -9h-15=-21 equation: 


Simplifying
-9h + -15 = -21

Reorder the terms:
-15 + -9h = -21

Solving
-15 + -9h = -21

Solving for variable 'h'.

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

Add '15' to each side of the equation.
-15 + 15 + -9h = -21 + 15

Combine like terms: -15 + 15 = 0
0 + -9h = -21 + 15
-9h = -21 + 15

Combine like terms: -21 + 15 = -6
-9h = -6

Divide each side by '-9'.
h = 0.6666666667

Simplifying
h = 0.6666666667

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